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Published byMilo McCoy Modified over 9 years ago
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Graphing
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Data Tables are a neat and organized way to collect data Graphs allow you to easily show the data in a way that people can draw conclusions easily. There are several types of graphs: –Pie charts: These show data in terms of a percentage –Line graphs: These show data over time –Bar graphs: These compare one group of data to another Statistics are mathematical tests that can tell us useful things about data –Example: the mean, median, mode –Standard Deviation: the mean of the mean
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How to calculate average Average: add up all the numbers from a column and divide by how many numbers there are
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How to make a bar graph Bar graphs compare groups of different items.
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How to make a bar graph
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How to make a pie chart Pie charts are graphs showing PARTS of a WHOLE. –Ex. 36 Hershey’s were collected. 120 total candies were collected. Hershey’s are 36/120
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How to make a pie graph
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You and your friends visit various houses to collect candy. The amount of candy you collected at each time is shown in the table below. Make a line graph showing the candy you collected that evening. Which time is it best to go out collecting candy? TimeCandy 756 8107 932 106
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How to make a line graph
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