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© 2011 REACH All Rights Reserved.Fall 2011

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Mathematical Functions ROUND SUMIF Statistical Functions AVERAGEIF COUNTIF LARGE SMALL Lookup Functions HLOOKUP LOOKUP VLOOKUP Information Functions ISERROR ISNA ISREF

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ROUND =ROUND(number,num_digits) SUMIF =SUMIF(range,criteria,[sum_range])

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Microsoft ® Excel ® Mathematical Functions Syntax: =ROUND(number, num_digits) Arguments: number Required The number that you want to round. num_digits Required The number of digits to which you want to round the number argument.

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Microsoft ® Excel ® Mathematical Functions Description: Rounds a number to a specified number of digits. Remarks: If num_digits is greater than 0 (zero), then number is rounded to the specified number of decimal places. If num_digits is 0, the number is rounded to the nearest integer. If num_digits is less than 0, the number is rounded to the left of the decimal point. Errors: None

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Microsoft ® Excel ® Mathematical Functions =ROUND(-1.475,2) Rounds to two decimal places

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To a great extent, the operating system determines which applications a computer can run. A)TRUE B)FALSE

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To a great extent, the operating system determines which applications a computer can run. A)TRUE B)FALSE Ref: p.61

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Microsoft ® Excel ® Mathematical Functions Syntax: =SUMIF(range, criteria, [sum_range]) Arguments: range Required The range of cells that you want evaluated by criteria. o Cells in each range must be numbers or names, arrays, or references that contain numbers. o Blank and text values are ignored. criteria Required The criteria in the form of a number, expression, a cell reference, text, or a function that defines which cells will be added. o Criteria can be expressed as 32, ">32", B5, "32", "apples", or TODAY(). sum_range Optional The actual cells to add, if you want to add cells other than those specified in the range argument. o Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).

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Microsoft ® Excel ® Mathematical Functions Description: Sums the values in a range that meet criteria that you specify. Remarks: See the Microsoft ® Excel ® help for additional remarks. Errors: None

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Microsoft ® Excel ® Mathematical Functions

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Adding to a product or service to increase its value to the consumer is called ____. A)adding value B)enhancing existing products or services C)increasing value D)incrementing service

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Adding to a product or service to increase its value to the consumer is called ____. A)adding value B)enhancing existing products or services C)increasing value D)incrementing service Ref. pp

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AVERAGEIF =AVERAGEIF(range,criteria,[average_range]) COUNTIF =COUNTIF(range, criteria) LARGE =LARGE(array,k) SMALL =SMALL(array,k)

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Microsoft ® Excel ® Statistical Functions Syntax: =AVERAGEIF(range, criteria, [average_range]) Arguments: range Required One or more cells to average, including numbers or names, arrays, or references that contain numbers. criteria Required The criteria in the form of a number, expression, cell reference, or text that defines which cells are averaged. average_range Optional The actual set of cells to average.

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Microsoft ® Excel ® Statistical Functions Description: Returns the average (arithmetic mean) of all the cells in a range that meet a given criteria. Remarks: If average_range is omitted, range is used. Cells in range that contain TRUE or FALSE are ignored. If a cell in average_range is an empty cell, AVERAGEIF ignores it. If a cell in criteria is empty, AVERAGEIF treats it as a 0 value. Errors: #DIV/0 – If range is a blank or text value. #DIV/0 – If no cells in the range meet the criteria.

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(B2:B5,"<23000")

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(B2:B5,"<23000") =14000

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(A2:A5,"<95000")

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(A2:A5,"<95000") =#DIV/0

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(A2:A5,">250000",B2:B5)

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Microsoft ® Excel ® Statistical Functions =AVERAGEIF(A2:A5,">250000",B2:B5) =24500

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Microsoft ® Excel ® Statistical Functions Syntax: =COUNTIF(range, criteria) Arguments: range Required One or more cells to count, including numbers or names, arrays, or references that contain numbers. o Blank and text values are ignored. criteria Required A number, expression, cell reference, or text string that defines which cells will be counted. o Criteria can be expressed as 32, ">32", B4, "apples", or "32".

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Microsoft ® Excel ® Statistical Functions Description: Counts the number of cells within a range that meet a single criterion that you specify. Remarks: See the Microsoft ® Excel ® help for additional remarks. Criteria are case insensitive Errors: None

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Microsoft ® Excel ® Statistical Functions

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Implementation of a(n) ____ requires a business to revamp processes—to undergo organizational change—to gain an advantage. A)BI B)CRM C)GIS D)SIS

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Implementation of a(n) ____ requires a business to revamp processes—to undergo organizational change—to gain an advantage. A)BI B)CRM C)GIS D)SIS Ref: p. 56

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Many opportunities to accomplish competitive edge with information technology Innovative software can establish a competitive advantage Strategic information systems can be created from scratch or by modifying a previous system To be an SIS, an information system must: Serve an organization goal Collaborate with other functional units of company Management Information Systems, Sixth Edition28

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Microsoft ® Excel ® Statistical Functions Syntax: =LARGE(array,k) Arguments: array Required The array or range of data for which you want to determine the k-th largest value. k Required The position (from the largest) in the array or cell range of data to return.

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Microsoft ® Excel ® Statistical Functions Description: Returns the k-th largest value in a data set. Remarks: If n is the number of data points in a range, then LARGE(array,1) returns the largest value. If n is the number of data points in a range, then LARGE(array,n) returns the smallest value. Errors: #NUM! – If array is empty #NUM! – If k ≤ 0 #NUM! – If k is greater than the number of data points

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=LARGE(array,k) 3rd largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6 3rd largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6,3) 3rd largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6,3) 3rd largest number in the numbers in columns A and B List the numbers in descending order: =5

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=LARGE(array,k) 7th largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6 7th largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6,7) 7th largest number in the numbers in columns A and B

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=LARGE(array,k) =LARGE(A2:B6,7) 7th largest number in the numbers in columns A and B List the numbers in descending order:

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=LARGE(array,k) =LARGE(A2:B6,7) 7th largest number in the numbers in columns A and B List the numbers in descending order: =4

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A company achieves ____________________ by using strategy to maximize its strengths, resulting in a competitive advantage.

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A company achieves strategic advantage by using strategy to maximize its strengths, resulting in a competitive advantage. Ref. p. 42

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Microsoft ® Excel ® Statistical Functions Syntax: =SMALL(array,k) Arguments: array Required The array or range of data for which you want to determine the k-th smallest value. k Required The position (from the smallest) in the array or cell range of data to return.

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Microsoft ® Excel ® Statistical Functions Description: Returns the k-th smallest value in a data set. Remarks: If n is the number of data points in a range, then SMALL(array,1) returns the smallest value. If n is the number of data points in a range, then SMALL(array,n) returns the largest value. Errors: #NUM! – If array is empty #NUM! – If k ≤ 0 #NUM! – If k is greater than the number of data points

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=SMALL(array,k) 4th smallest number in first column

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=SMALL(array,k) =SMALL(A2:A10 4th smallest number in first column

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=SMALL(array,k) =SMALL(A2:A10,4) 4th smallest number in first column List the numbers in ascending order:

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=SMALL(array,k) =SMALL(A2:A10,4) 4th smallest number in first column List the numbers in ascending order: =4

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=SMALL(array,k) 2nd smallest number in second column

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=SMALL(array,k) =SMALL(B2:B10 2nd smallest number in second column

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=SMALL(array,k) =SMALL(B2:B10,2) 2nd smallest number in second column List the numbers in ascending order:

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=SMALL(array,k) =SMALL(B2:B10,2) 2nd smallest number in second column =3 List the numbers in ascending order:

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When the process of marketing products is complete, the next link in the supply chain is shipping. A)TRUE B)FALSE

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When the process of marketing products is complete, the next link in the supply chain is shipping. A)TRUE B)FALSE

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Supply chain: consists of procurement of raw materials, processing materials into goods, and delivering goods Processing raw materials into goods is also known as manufacturing Supply chain management: monitoring, controlling, and facilitating supply chains CAD systems often transfer data automatically to CAM systems Management Information Systems, Sixth Edition54

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Microsoft ® Excel ® Lookup Functions Syntax: =VLOOKUP(lookup_value,table_array,col_index_num,[range_lookup]) Arguments: lookup_value Required The value to search in the first column of the table or range. table_array Required The range of cells that contains the data. col_index_num Required The column number in the table_array argument from which the matching value must be returned. range_lookup Optional A logical value that specifies whether you want VLOOKUP to find an exact match or an approximate match.

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Microsoft ® Excel ® Lookup Functions Description: Searches the first column of a range of cells, and then returns a value from any cell on the same row of the range. Remarks: The values in the first column of table_array can be text, numbers, or logical values. Uppercase and lowercase text are equivalent. If range_lookup is TRUE, the values in the first column of table_array must be placed in ascending order. If range_lookup is TRUE or omitted, an approximate match is returned. If range_lookup is FALSE, an exact match will be attempted.

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Microsoft ® Excel ® Lookup Functions Errors: #VALUE! – If col_index_num is less than 1 #REF! – If col_index_num is greater than the number of columns in the table_array #N/A – If range_lookup is FALSE and an exact match cannot be found #N/A – If lookup_value is less than the smallest value in the first column of table_array

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) (2)=VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3) (3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) (4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) (5)=VLOOKUP(LARGE(D10:G17,4), $C$8:$F$20, 5, FALSE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE)

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=VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, G18/E6, TRUE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, G18/E6, TRUE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, 66/E6, TRUE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, 66/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, 66/11, TRUE)

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(1)=VLOOKUP(C11*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(44*2, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, G18/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, 66/E6, TRUE) =VLOOKUP(88, $B$8:$G$24, 66/11, TRUE) =VLOOKUP(88, $B$8:$G$24, 6, TRUE)

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(2) =VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3)

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=VLOOKUP(IF(11<>MAX(D3:G5), 38, 83), E11:G22,3)

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(2)=VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>11, 38, 83), E11:G22,3)

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(2)=VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>11), 38, 83), E11:G22,3) =VLOOKUP(IF(FALSE, 38, 83), E11:G22,3)

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(2)=VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>11), 38, 83), E11:G22,3) =VLOOKUP(IF(FALSE, 38, 83), E11:G22,3) =VLOOKUP(83, E11:G22,3)

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(2)=VLOOKUP(IF(MIN(B6:F18)<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>MAX(D3:G5), 38, 83), E11:G22,3) =VLOOKUP(IF(11<>11), 38, 83), E11:G22,3) =VLOOKUP(IF(FALSE, 38, 83), E11:G22,3) =VLOOKUP(83, E11:G22,3)

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(3) =VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE)

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=VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE)

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(3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*18/G3, $C$8:$F$20, 3, FALSE)

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(3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*18/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(306/G3, $C$8:$F$20, 3, FALSE)

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(3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*18/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(306/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(306/6, $C$8:$F$20, 3, FALSE)

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(3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*18/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(306/6, $C$8:$F$20, 3, FALSE) =VLOOKUP(51, $C$8:$F$20, 3, FALSE)

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(3)=VLOOKUP(MAX(B3:G4)*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*B6/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(17*18/G3, $C$8:$F$20, 3, FALSE) =VLOOKUP(306/6, $C$8:$F$20, 3, FALSE) =VLOOKUP(51, $C$8:$F$20, 3, FALSE) #N/A

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(4) =VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4))

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=VLOOKUP(11*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4))

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(4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*5, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4))

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(4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*5, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(55, C8:F20, IF(1000>SUM(F3:F24), 2, 4))

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(4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(11*5, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) =VLOOKUP(55, C8:F20, IF(1000>SUM(F3:F24), 2, 4)) =VLOOKUP(55, C8:F20, IF(1000>924, 2, 4))

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(4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) … =VLOOKUP(55, C8:F20, IF(1000>924, 2, 4)) =VLOOKUP(55, C8:F20, IF(TRUE, 2, 4)) =VLOOKUP(55, C8:F20, 2)

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(4)=VLOOKUP(C3*E3, C8:F20, IF(SUM(B3:B24)>SUM(F3:F24), 2, 4)) … =VLOOKUP(55, C8:F20, 2)

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(5)=VLOOKUP(LARGE(D10:G17,4), $C$8:$F$20, 5, FALSE)

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=VLOOKUP(58, $C$8:$F$20, 5, FALSE)

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(5)=VLOOKUP(LARGE(D10:G17,4), $C$8:$F$20, 5, FALSE) =VLOOKUP(58, $C$8:$F$20, 5, FALSE) #REF!

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Microsoft ® Excel ® Lookup Functions Syntax: = HLOOKUP(lookup_value,table_array,row_index_num,range_lookup) Arguments: lookup_value Required The value to search in the first row of the table or range. table_array Required The range of cells that contains the data. row_index_num Required The row number in table_array from which the matching value will be returned range_lookup Optional A logical value that specifies whether you want HLOOKUP to find an exact match or an approximate match.

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Microsoft ® Excel ® Lookup Functions Description: Searches for a value in the top row of a table or an array of values, and then returns a value in the same column from a row you specify in the table or array. Remarks: If HLOOKUP can't find lookup_value, and range_lookup is TRUE, it uses the largest value that is less than lookup_value. If lookup_value is smaller than the smallest value in the first row of table_array, HLOOKUP returns the #N/A error value.

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Microsoft ® Excel ® Lookup Functions Errors: #VALUE! – If row_index_num is less than 1 #REF! – If row_index_num is greater than the number of rows in the table_array #N/A – If range_lookup is FALSE and an exact match cannot be found #N/A – If lookup_value is less than the smallest value in the first row of table_array

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ABC 1AxlesBearingsBolts FormulaDescription (Result) Looks up Axles in row 1, and returns the value from row 2 that's in the same column. (4) =HLOOKUP("Axles",A1:C4,2,TRUE) =HLOOKUP("Bearings",A1:C4,3,FALSE) Looks up Bearings in row 1, and returns the value from row 3 that's in the same column. (7) =HLOOKUP("B",A1:C4,3,TRUE) Looks up B in row 1, and returns the value from row 3 that's in the same column. Because B is not an exact match, the next largest value that is less than B is used: Axles. (5) =HLOOKUP("Bolts",A1:C4,4) Looks up Bolts in row 1, and returns the value from row 4 that's in the same column. (11)

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Microsoft ® Excel ® Lookup Functions The Lookup function has two forms: If you want toThen seeUsage Look in a one-row or one-column range (known as a vector) for a value and return a value from the same position in a second one-row or one- column range Vector form Use the vector form when you have a large list of values to look up or when the values may change over time. Look in the first row or column of an array for the specified value and return a value from the same position in the last row or column of the array Array form Use the array form when you have a small list of values and the values remain constant over time. Notes

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Microsoft ® Excel ® Lookup Functions Syntax: =LOOKUP(lookup_value, lookup_vector, result_vector) Arguments: lookup_value Required Value that LOOKUP searches for in the first vector. Can be a number, text, a logical value, or a name or reference that refers to a value. lookup_vector Required A range that contains only one row or one column. The values can be text, numbers, or logical values. result_vector Required A range that contains only one row or column. Must be the same size as lookup_vector.

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Microsoft ® Excel ® Lookup Functions Remarks: If the LOOKUP function can't find the lookup_value, the function matches the largest value in lookup_vector that is less than or equal to lookup_value. If lookup_value is smaller than the smallest value in lookup_vector, LOOKUP returns the #N/A error value.

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Microsoft ® Excel ® Lookup Functions Syntax: = LOOKUP(lookup_value, array) Arguments: lookup_value Required Value that LOOKUP searches for in an array. Can be a number, text, a logical value, or a name or reference that refers to a value. array Required A range of cells that contains text, numbers, or logical values that you want to compare with lookup_value.

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Microsoft ® Excel ® Lookup Functions Remarks: If LOOKUP can't find the value of lookup_value, it uses the largest value in the array that is less than or equal to lookup_value. If the value of lookup_value is smaller than the smallest value in the first row or column (depending on the array dimensions), LOOKUP returns the #N/A error value. If array covers an area that is wider than it is tall (more columns than rows), LOOKUP searches for the value of lookup_value in the first row. If an array is square or is taller than it is wide (more rows than columns), LOOKUP searches in the first column. With the HLOOKUP and VLOOKUP functions, you can index down or across, but LOOKUP always selects the last value in the row or column.

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AB 1FrequencyColor 24.14red 34.19orange 45.17yellow 55.77green 66.39blue FormulaDescriptionResult =LOOKUP(4.19,A2:A6,B2:B6) Looks up 4.19 in column A, and returns the value from column B that is in the same row. orange =LOOKUP(5.00,A2:A6,B2:B6) Looks up 5.00 in column A, matches the next smallest value (4.19), and returns the value from column B that is in the same row. orange =LOOKUP(7.66,A2:A6,B2:B6) Looks up 7.66 in column A, matches the next smallest value (6.39), and returns the value from column B that is in the same row. blue =LOOKUP(0,A2:A6,B2:B6) Looks up 0 in column A, and returns an error because 0 is less than the smallest value in the lookup_vector A2:A7. #N/A

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LOOKUP is very similar to VLOOKUP and HLOOKUP. The difference is that HLOOKUP searches for the lookup_value in the first row, VLOOKUP searches in the first column, and LOOKUP searches according to the dimensions of an array. A. TRUE B. FALSE

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LOOKUP is very similar to VLOOKUP and HLOOKUP. The difference is that HLOOKUP searches for the lookup_value in the first row, VLOOKUP searches in the first column, and LOOKUP searches according to the dimensions of an array. A. TRUE B. FALSE

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____, used to accumulate data about costs involved in producing specific products, make excellent use of IT to compile pricing data. A)ERP Systems B)Cost-accounting Systems C)Human Resources Systems D)SCM Systems

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____, used to accumulate data about costs involved in producing specific products, make excellent use of IT to compile pricing data. A)ERP Systems B)Cost-accounting Systems C)Human Resources Systems D)SCM Systems Ref: p.81

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When a pattern of defects is discovered in a product, ____________________ helps pinpoint the plant at which it was produced and the particular lot from which it came.

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When a pattern of defects is discovered in a product, ______R F I D_______ helps pinpoint the plant at which it was produced and the particular lot from which it came. Ref: p.91

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ISNA =ISNA(value) ISERROR =ISERROR(value) ISREF =ISREF(value)

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Microsoft ® Excel ® Information Functions Syntax: =ISNA(value) Arguments: value Required The value that you want tested

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Microsoft ® Excel ® Information Functions Description: Returns TRUE if value refers to the #N/A (value not available) error value. Remarks: The value arguments of the IS functions are not converted Any numeric values that are enclosed in double quotation marks are treated as text. The IS functions are useful in formulas for testing the outcome of a calculation Errors: None

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Microsoft ® Excel ® Information Functions

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Syntax: =ISERROR(value) Arguments: value Required The value that you want tested

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Microsoft ® Excel ® Information Functions Description: Returns TRUE if value refers to any error value: #N/A#VALUE!#REF!#DIV/0! #NUM!#NAME?#NULL! Remarks: The value arguments of the IS functions are not converted Any numeric values that are enclosed in double quotation marks are treated as text. The IS functions are useful in formulas for testing the outcome of a calculation Errors: None

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Microsoft ® Excel ® Information Functions Syntax: =ISREF(value) Arguments: value Required The value that you want tested

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Microsoft ® Excel ® Information Functions Description: Returns TRUE if the value is a reference Remarks: The value arguments of the IS functions are not converted Any numeric values that are enclosed in double quotation marks are treated as text. The IS functions are useful in formulas for testing the outcome of a calculation Errors: None

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FORMULADESCRIPTIONRESULT =ISREF(XYZ1)Checks if XYZ1 is a valid reference FALSE ISREF(C1)Checks if C1 is a valid reference TRUE

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Extra Material

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Entity – any object about which an organization chooses to collect data. Ex. Types of people: employees, students, contractors, etc. Character – the smallest piece of data Field – one piece of information about an entity Ex. First Name or Last Name. Multiple characters make up a field Record – the fields related to the same entity make up a record File – A collection of related records Ex. All the records of a colleges’ students Database – a collection of one or more files Ref. p 235

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There are two overall approaches to maintaining data: the traditional file approach—which has no mechanism for tagging, retrieving, and manipulating data—and the ____, which does have this mechanism. A)Database Approach B)Data Approach C)Datafile Approach D)Indexed file approach

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There are two overall approaches to maintaining data: the traditional file approach—which has no mechanism for tagging, retrieving, and manipulating data—and the ____, which does have this mechanism. A)Database Approach B)Data Approach C)Datafile Approach D)Indexed file approach Ref. p. 234

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A collection of related records, such as all the records of a college’s students, is called a(n) A)Field B)Character C)Item D)File

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A collection of related records, such as all the records of a college’s students, is called a(n) A)Field B)Character C)Item D)File Ref p. 235

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A ____ is the general logical structure in which records are stored within a database and the method used to establish relationships among the records. A)database relationship B)database model C)database list D)database catalog

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A ____ is the general logical structure in which records are stored within a database and the method used to establish relationships among the records. A)database relationship B)database model C)database list D)database catalog Ref p. 238

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While a database itself is a collection of several related files, the program used to build databases, populate them with data, and manipulate the data is called a(n) ____________________.

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While a database itself is a collection of several related files, the program used to build databases, populate them with data, and manipulate the data is called a(n) DBMS – Database Management System. Ref. p 236

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Because of capacity needs, organizations often choose ____ to store and manage data warehouses. A)midrange servers B)high speed networks C)mainframe computers with multiple CPUs D)workstations

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Because of capacity needs, organizations often choose ____ to store and manage data warehouses. A)midrange servers B)high speed networks C)mainframe computers with multiple CPUs D)Workstations Ref. p 250

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Multiple characters make up a record. A.TRUE B.FALSE

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Multiple characters make up a record. A.TRUE B.FALSE Ref. p 235

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(Excel) You are creating a new forecast for your company's Marketing group and have entered the sales for 2005 into cell B4 of a spreadsheet. The expected rate of increase is in cell C2. What formula would you enter in cell C4 to compute the sales for 2006, given that you will copy that formula to cells D4:E4 to calculate the forecast for 2007 and 2008? A. =B$4+B$4*C$2 B. =$B$4+$B$4*C2 C. =$B4+$B4*$C2 D. =B4*(1+$C$2) E. =B4+B4*C2

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