2-2 Histograms 61 14.Burger King Dinner Service Times Use the frequency distribution from Exercise 18 in Section 2-1 on page 53 to construct a histogram. Using a strict interpretation of the criteria for being a normal distribution, does the histogram appear to depict data from a population with a normal distribution? 15.Freshman 15 Use the frequency distribution from Exercise 19 in Section 2-1 on page 53 to construct a histogram. Does the histogram appear to depict a normal distribution? 16.Hershey’s Kisses Use the frequency distribution from Exercise 20 in Section 2-1 on page 53 to construct a histogram. In using a strict interpretation of the criteria for being a normal distribution, does the histogram appear to depict data from a population with a normal distribution? 17.Analysis of Last Digits Use the frequency distribution from Exercise 21 in Section 2-1 on page 53 to construct a histogram. What can be concluded from the distribution of the digits? Specifically, do the heights appear to be reported or actually measured? 18.Analysis of Last Digits Use the frequency distribution from Exercise 22 in Section 2-1 on page 53 to construct a histogram. What can be concluded from the distribution of the digits? Specifically, do the heights appear to be reported or actually measured? 19.Interpreting Normal Quantile Plots Which of the following normal quantile plots appear to represent data from a population having a normal distribution? Explain. a. b. c. d. 20.Comparing Histograms Refer to the data in Data Set 20 “Alcohol and Tobacco in Movies” and construct histograms for the movie lengths, the times of tobacco use, and the times of alcohol use. Compare the three histograms. Are there any differences in the distributions of the data? 2-2 Beyond the Basics
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