Some users of statistics prefer pie charts to bar charts because people are accustomed to having the horizontal axis of a graph show order. For example, someone might infer from Fig. 2.3 that "Republican" is less than "Other" because "Republican" is shown to the left of "Other" on the horizontal axis. Pie charts do not lead to such inferences. Give other advantages and disadvantages of each method.
Answer to relevant QuestionsA quantitative data set has been grouped by using limit grouping with equal-width classes. The lower and upper limits of the first class are 3 and 8, respectively, and the class width is 6. a. What is the class mark of the ...Refer to the exam scores displayed in Exercise 3.98. In exercise a. Use the empirical rule to estimate the percentages of the observations that lie within one, two, and three standard deviations to either side of the ...1, 2, 3, 4, 5 a. Obtain the quartiles. b. Determine the interquartile range. c. Find the five-number summary. In the article “Grandchildren Raised by Grandparents, a Troubling Trend” (California Agriculture, Vol. 55, No. 2, pp. 10–17), M. Blackburn considered the rates of children (under 18 years of age) living in California ...The National Association of Colleges and Employers (NACE) conducts surveys of salary offers to new college graduates and publishes the results in Salary Survey. The following diagram provides boxplots for the starting annual ...
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