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DAY 10: MICROSOFT EXCEL – CHAPTER 8 MICROSOFT EXCEL – CHAPTER 9 MICROSOFT EXCEL – CHAPTER 10 Akhila Kondai akhila.kondai@mail.wvu.edu September 23, 2013
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ANNOUNCEMENTS Homework # 3 is due on 09/27/2013 by 11.59pm
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WHAT – IF ANALYSIS Data Table Goal Seek Scenario Manager 3
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WHAT-IF ANALYSIS What if analysis is the process of changing variables to observe how changes effects calculated results. A variable is an input value that can change to other values to affect the results of a situation. 4
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DATA TABLE One variable Data Table Two variable Data Table 5
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CREATING A ONE VARIABLE DATA TABLE A data analysis tool that provides various results based on changing one variable. 3 steps –Enter Substitution values for a one-variable data table –Enter formulas and complete the data table –Format the one-variable data table 6
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SUBSTITUTION VALUES… Click cell D4, enter 4% Home ribbon -> Editing group -> Fill -> Series Select column radio button, and give Step value box value as 0.25% and Stop value box value as 6% Format the range D4:D12 to percentages with 2 decimal points. 7
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COMPLETING THE DATA TABLE… E3->B12 : F3->B13 : G3->B14 Select D3:G12 Under DATA TAB go to What-If Analysis -> Data table Give column input cell as $B$4 and click OK 8
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FORMAT THE TABLE… Select range E4:G12 and give the number format as Accounting with 2 decimal points Enter APR in cell D3 Select cell E3 Format cells Select Custom General type “Payment” and click OK. F3 as Total Repaid and G3 as Total Interest. 9
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CREATING A TWO VARIABLE DATA TABLE A data analysis tool that provides various results based on changing two variables. 2 steps –Set up the structure for a Two-Variable data table –Complete the Two-Variable Data Table 10
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DATA TABLE STRUCTURE… Different “cost of car” in row J3:L3 –Enter 20000,25000,30000 Different APR in column I4:I20 –Increasing values from 4% to 6% at a step value od 0.125% –Format I4:I20 as Percent style with 3 decimal points Specify which variation do you want to observe (eg. Monthly Payment B12) in cell I3 11
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COMPLETING THE TABLE... Select I3:L20 Under DATA TAB go to What-If Analysis -> Data table Give B2 as row input cell box and B4 as column input cell box. Format cell I3 to display APR 12
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GOAL SEEK 13
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CREATE A GOAL SEEK Goal seek is a tool that identifies the necessary input value to obtain a desired goal. What If Analysis ->Goal seek Set cell box B12 Enter 300 in To Value box By changing cell box B2 Click OK to accept the solution 14
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SCENARIO MANAGER 15
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SCENARIO MANAGER Scenario is a set of values that represent a possible situation. Scenario manager enables you to define and manage scenarios to compare how they affect results. 16
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USING SCENARIO MANAGER Create and edit Scenarios View Scenarios Generate Scenario Summary Report 17
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CREATE A SCENARIO What-If Analysis -> Scenario manager Click Add Scenario name : Best-case Changings cell : B2:B5 Enter : 25000 in $B$2, 5000 in $B$3, 0 in $B$4, 6 in $B$5 Create Additional Scenarios Click Add Scenario name : Most Likely-case Changings cell : B2:B5 Enter : 22500 in $B$2, 6500 in $B$3, 4.25% in $B$4, 5 in $B$5 18
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CREATE A SUMMARY REPORT What-If Analysis Scenario manager Summary Result cells box : Range B12:B14 Click OK 19
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SOLVER Solver is an add-in application that manipulates variables based on constraints to find the optimal solution to a problem. Solver is one of the most sophisticated what-if analysis tools, and people use Solver in a variety of situations and industries. 20
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LOADING THE SOLVER ADD-IN Go to file tab Select options Add-ins Manage->Excel Add-ins and click GO Select Solver Add-in You can see Solver option in Data ribbon 21
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OPTIMIZING RESULTS WITH SOLVER Identify Objective cell, contains the formula-based value that you want to maximize, minimize. Or set to a value in Solver. Identify Changing cells, contains a variable whose value changes until Solver optimizes the value in the objective cell 22
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SOLVER EXAMPLE Step 1: Set the Objective and Variable cells Step 2: Define Constraints Step 3: Generate a report 23
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STEP 1… Enter 25000 in B2 and 5000 in B3 Define objective cell and changing variable cells. –Objective cell -> B12 –To value off : 300 –By changing variable cells : B2:B5 24
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STEP 2… Define constraints –B2<=30,000 –B2>=20,000 –B3<=7,500 –B3>=5,000 –B4<=6% –B4>=4% –B5<=6 –B5=integer –B5>=4 25
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STEP 3… Generate a report. –Click on SOLVE –Select ANSWER in the REPORT LIST –Observe the result in Answer Report 1 worksheet tab. 26
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MULTIPLE-SHEET WORKBOOK MANAGEMENT 27
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GROUPING AND UNGROUPING WORKSHEETS All worksheets Adjacent worksheets use SHIFT Non Adjacent worksheets use CONTROL 28
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WORKSHEET REFERENCE Pointer to a cell in another worksheet Syntax : ‘Worksheet_name’!Range_Of_Cells Select cell B1 in sheet 1 and calculate the average for cells J4:J20 29
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3D FORMULA Formula or function that refers to the same range in multiple worksheets. Select cell B2 in sheet 1 Type =SUM( Click sheet 2, press and hold shift and then click sheet 3 and select cell A1 The formula becomes =SUM(Sheet2:Sheet3!A1) 30
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INSERTING HYPERLINKS Hyperlink is an electronic marker to another location in a worksheet, workbook, file, web page or email. Select B1 Insert ribbon Hyperlink in the Links group Type J4:J20 in the Type the cell reference box and click OK. 31
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TEMPLATES, THEMES AND STYLES 32
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SELECTING A TEMPLATE Template is a special workbook file used as a model to create similarly structured workbooks File -> New Search for template Select one Preview of selected template 33
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APPLYING THEMES AND BACKGROUNDS A theme is a collection of colors, fonts, and special effects. Page Layout ribbon Themes Select one A background is an image that appears behind the worksheet data onscreen Page Layout ribbon Background -> select desired file 34
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APPLYING CELL STYLES A cell style is a set of formatting options applied to worksheet cells Home ribbon Styles -> Cell styles 35
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