Name & Section Number: Fall 2017 MAT 150. GU 14. (Pictograph) The accompanying g

Question

Name & Section Number: Fall 2017 MAT 150. GU 14. (Pictograph) The accompanying graph depicts the numbers of votes (in millions) in the 2008 U.S. presidential election. Identify the characteristic that causes the graph to be deceptive. 15. (Pictograph) In 1986, the New York City subway fare cost $I, and in 2003 the cost was raised to $2, so the price doubled. In the accompanying graph, the S2 bill is twice as long and twice as tall as the SI bill. Identify the characteristic that causes the graph to be deceptive. 1986 Subway Fare Current Subway Fare 16. (Optional) Search newspapers, magazines, or the internet to find an example of a graph that is misleading. Describe how the graph is mislelading.

Explanation / Answer

(a) Both the bars start from 50. As per rule, all bars should start from 0. Because of starting from 50, it appears from the bar chart that Obama is more than double of McClain, which is not correct. This will become evident, if both bars start from 0.

(b) Though the price incease is only double, since the pictogram is 2 dimensional, it gives a magnification of 4, which is not correct.

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