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Published byNaomi Tyler Modified over 6 years ago

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created by Judith Self

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Organizing Data by: Using Line Plots Describing Data (mean, median,mode, and range) Making Charts or Graphs(bar graphs,circle graphs,pictographs,line graphs)

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Line Plots Line plots are diagrams that organize data on a number line If your data is numerical, one way to show it would be with a line plot

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Here’s a way to make a line plot. Find the least and the greatest numbers in your set of data for your line plot. Choose a sequence that will fit your data.( arrange the numbers by 2’s, 5’s etc.what ever works best for your data) Put an x on the line plot to represent your data Write a title for your line plot.

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Describing data Mean Median Mode Range

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Mean/Average To find the mean or average of a set of data you first : Add the numbers Count the number of data Divide the total of the numbers by the number of data. 6,4,6,5,7,7,4,9=48 There are 8 sets of data Divide 48 by 8 = 6 To check, 8 x 6= 48

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Median The median number of a set of data is the number found in the middle. Arrange your data in order from least to greatest to find the middle number. Sometimes you will have two middle numbers. 44 44 55 66 66 77 77 99

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Mode The mode of a set of data is the number that occurs most often in the data. You may have more than one mode. 4,6, and 7 are your modes in this set of data.

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Range The range of a set of data is found by subtracting the least number from the greatest number. 9 – 4 = 5 In this set of data the range is from 4 to 9 with the exact range of 5.

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Making Charts and Graphs Bar graphs are another way to show data. Double bar graphs help you to compare data.

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Line graphs Line graphs are good for showing changes in data over time when working with dates. Double line graphs can help you show even more data and compare data.

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Circle graphs/Pie Charts Circle or pie charts are another way to show data, and compare data to percentages or fractions of a whole.

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Pictographs Pictographs are often used to show data in newspapers and magazines because they get your attention. Each picture represents a specific number of data.

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In conclusion Organizing data makes it easier to read and understand. Using graphs and charts helps to get the attention of your audience Charts, line plots and graphs are ways to organize data so it is useful to you. Comparing data is easier when it is clear and specific.

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