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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 and leaf plot of the following data points. 468 548632 842 745 567 821 598 435 387 830 926

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

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1) TRUNCATED GRAPHS

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Ways to Mislead

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

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What is wrong with this graph?

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

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2) SCALING

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Ways to Mislead

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

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TOO MUCH INFORMATION 3) HARD TO READ

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What is wrong with this graph?

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4) Misuse of data or percentages

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5) Misuse of pictures

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

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