Astrological Signs. Use the following information for Exercises 90–92. The General Social Survey collects data on social aspects of life in America. Here, 1464 respondents reported their astrological signs. A pie chart of the results is shown below.

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Pie chart of astrological signs.

Question 2.91

91. Use the percentages in the pie chart to do the following:

  1. Construct a relative frequency bar graph of the astrological signs.
  2. Construct a relative frequency bar graph, but, this time, have the y axis begin at 7% instead of zero. Describe the difference between the two bar graphs. When would this one be used as opposed to the earlier bar graph?

2.1.91

(a)

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(b)

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The graph in (b) uses an adjusted scale, which is misleading. Use this graph to magnify the small variability in percentages.