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Graphing

Graphing. 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

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Graphing

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  1. Graphing

  2. 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

  3. How to calculate average • Average: add up all the numbers from a column and divide by how many numbers there are

  4. How to make a bar graph • Bar graphs compare groups of different items.

  5. How to make a bar graph

  6. 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

  7. How to make a pie graph

  8. 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?

  9. How to make a line graph

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