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Misleading Graphs and Stem-and-Leaf Plots

Misleading Graphs and Stem-and-Leaf Plots. #32. Example 1: Misleading Bar Graphs. Why is this bar graph misleading?. 1. 1. __. __. 2. 2. Example 2 : Misleading Bar Graphs. What might people believe from the misleading graph?. Example 3. Money Raised. 600. 580. 570. 560.

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Misleading Graphs and Stem-and-Leaf Plots

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  1. Misleading Graphs and Stem-and-Leaf Plots #32

  2. Example 1: Misleading Bar Graphs Why is this bar graph misleading?

  3. 1 1 __ __ 2 2 Example 2: Misleading Bar Graphs What might people believe from the misleading graph?

  4. Example 3 Money Raised 600 580 570 560 Dollars 550 540 530 4thgraders 5thgraders 6th graders Why is this bar graph misleading?

  5. Example 4 Money Raised 590 580 570 560 Dollars 550 540 530 4thgraders 5thgraders 6th graders What might people believe from the misleading graph?

  6. Example 5: Misleading Line Graphs Why are these graphs misleading?

  7. Example 6: Misleading Line Graphs What might people believe from these misleading graphs?

  8. Example 7: Misleading Line Graphs Why is this line graph misleading?

  9. Example 8 November September Temperature (°F)‏ Temperature (°F)‏ Week Week Why are these graphs misleading?

  10. Example 10 Corp. C Corp. D Stock prices 80 70 Price of stock ($)‏ 60 50 0 1985 1990 1995 2000 Year Why is this line graph misleading?

  11. VOCABULARY A stem-and-leaf plotshows data arranged by place value. You can use a stem-and-leaf plot when you want to display data in an organized way that allows you to see each value.

  12. Test Scores 75 86 83 91 94 88 84 99 79 86 Example 11: Creating Stem-and-Leaf Plots Use the data in the table to make a stem-and-leaf plot.

  13. Helpful Hint To write 42 in a stem-and-leaf plot, write each digit in a separate column. 4 2 Leaf Stem

  14. Test Scores 72 88 64 79 61 84 83 76 74 67 Example 12 Use the data in the table to make a stem-and-leaf plot.

  15. Example 13: Reading Stem-and-Leaf Plots Find the least value, greatest value, mean, median, mode, and range of the data. The least stem and least leaf give the least value, 40. Stems Leaves 4 0 0 1 5 7 The greatest stem and greatest leaf give the greatest value, 94. 1 1 2 4 5 3 3 3 5 9 9 6 0 4 4 7 8 3 6 7 9 1 4 Key: 4 0 means 40

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