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WARM UP 1.What is the difference between a bar graph and a histogram? 2.How do you find the class width? 3.A line graph represents what? 4.Make a stem.

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Presentation on theme: "WARM UP 1.What is the difference between a bar graph and a histogram? 2.How do you find the class width? 3.A line graph represents what? 4.Make a stem."— Presentation transcript:

1 WARM UP 1.What is the difference between a bar graph and a histogram? 2.How do you find the class width? 3.A line graph represents what? 4.Make a stem and leaf plot of the following data points

2 Section 2.5 There are FIVE ways we will look at that people try to mislead you with their graphs.

3 1) TRUNCATED GRAPHS

4 Ways to Mislead

5 Truncated The vertical scales of graphs are altered to distort information.

6 What is wrong with this graph?

7 Are they the same? The graphs below show the number of people who rode buses from September through February.

8 2) SCALING

9 Ways to Mislead

10 SCALING The size of a graph or a figure is altered to distort information.

11

12

13 TOO MUCH INFORMATION 3) HARD TO READ

14 What is wrong with this graph?

15 4) Misuse of data or percentages

16

17 5) Misuse of pictures

18

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20 CREATE TWO GRAPHS 1)One regular graph 2)One misleading graph 3)Label both graphs clearly!


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