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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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Section 12.2 Picturing Data Math in Our World. Learning Objectives Draw bar graphs and pie charts. Draw histograms and frequency polygons. Draw.

Section 12.2 Picturing Data Math in Our World. Learning Objectives Draw bar graphs and pie charts. Draw histograms and frequency polygons. Draw.

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