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Mathematics Subtest

Competency 4—Knowledge of probability, statistics, and data interpretation

A consultant uses the following graph to justify why air-conditioning costs were higher in 2014 than in 2015. What aspect of the graph makes it misleading?

Graph of Number of Days about 80 Degrees The graph is a bar graph. The vertical axis is labeled Number of Days Temperature above 80°F, with values marked from 50 to 55 in increments of 1. The horizontal axis is labeled Year, with values marked 2011, 2014, and 2015. The 2011 bar has a value of 50. The 2014 bar has a value of 53. The 2015 bar has a value of 51.

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Enter to expand or collapse answer.Answer expanded
Correct Response: B.