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Types of Graphs By: Mrs. Mowery

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Histograms / Definition -- / Histogram is a special type of bar graph that uses intervals of equal size. / Definition -- / Histogram is a special type of bar graph that uses intervals of equal size.

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Amount of Books Read by 6th Grade Students

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Think about it… / When would you need to create a histogram?

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You could use a histogram to compare… / The number of siblings a person has. / The number of books read. / The number of CDs someone owns. / The amount of pets someone has. / The amount of money someone earns. / The number of siblings a person has. / The number of books read. / The number of CDs someone owns. / The amount of pets someone has. / The amount of money someone earns.

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Steps for Creating a Histogram / Step 1: Create your Survey / Decide what you are going Survey or Chart. / Record the data. / Remember you need to survey something that can use intervals. / Step 1: Create your Survey / Decide what you are going Survey or Chart. / Record the data. / Remember you need to survey something that can use intervals.

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Steps for Creating a Histogram / Step 2: Gather Data / Divide the Data into equal sized intervals. / Create a frequency table. Record tallies and count the frequency. / Step 2: Gather Data / Divide the Data into equal sized intervals. / Create a frequency table. Record tallies and count the frequency.

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Number of CDs Number of People (Tally) Frequency 0-5 1 1 1 1 4 6-101 1 1 3 11-151 1 4

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Steps for Creating a Histogram / Step 3:Draw your histogram. / Choose a vertical scale. / Title the graph / Label the horizontal axis and vertical axis. / Step 3:Draw your histogram. / Choose a vertical scale. / Title the graph / Label the horizontal axis and vertical axis.

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Circle Graph / Definition: / Circle Graph is a graph in the shape of a circle that shows fractions/ percents. / It is used to compare part to whole. / Also known as the Pie Chart / Definition: / Circle Graph is a graph in the shape of a circle that shows fractions/ percents. / It is used to compare part to whole. / Also known as the Pie Chart

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Think about… / When would you need to create a circle graph?

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You could use a circle graph to compare/ show… / Favorite team sport / Favorite flavor of ice cream / How you spend the hours of a day / Monthly budget percentages / Favorite team sport / Favorite flavor of ice cream / How you spend the hours of a day / Monthly budget percentages

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Steps for Creating a Circle Graph / Step 1 : Create your Survey / Decide what you are going to survey / Make sure it is something that compares part to whole / Step 1 : Create your Survey / Decide what you are going to survey / Make sure it is something that compares part to whole

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Steps for Creating a Circle Graph / Step 2: Gather Data / Create a frequency table that includes: Choices, Fraction, Decimal, and Percents / Step 2: Gather Data / Create a frequency table that includes: Choices, Fraction, Decimal, and Percents

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Favorite Team FractionDecimalPercent Bengal12/200.6060% Browns8/200.4040%

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/ To go from a fraction to a decimal- / Divide the numerator by the denominator. / Example: / 12 / 20 - 0. 60 / To go from a fraction to a decimal- / Divide the numerator by the denominator. / Example: / 12 / 20 - 0. 60

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/ To go from a decimal to a percent- Multiply by 100. / Ex: 0.60 x 100 = 60 % / To go from a decimal to a percent- Multiply by 100. / Ex: 0.60 x 100 = 60 %

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Steps for Creating a Circle Graph / Step 3: Draw your circle graph / Place a dot in the center. / Estimate the fraction to shade. / Include labels, percents, and an appropriate title. / Step 3: Draw your circle graph / Place a dot in the center. / Estimate the fraction to shade. / Include labels, percents, and an appropriate title.

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Hints on Drawing a circle graph. / Draw a dot in the center of the circle. / Start with the easiest percent to graph. / Ex: 25% = 1/4, 50% = 1/2, 75% = 3/4 / Ex: 33% = 1/3, 67% = 2/3 / Draw a dot in the center of the circle. / Start with the easiest percent to graph. / Ex: 25% = 1/4, 50% = 1/2, 75% = 3/4 / Ex: 33% = 1/3, 67% = 2/3

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