Take this quiz as you would take a quiz in class. After you are done, check your work against the answers given in the back of the book. ". 1. The data set represents the number of minutes a sample of 25 people exercise each week. 108 139 120 123 120 132 123 131 131 157 150 124 111 101 135 119 116 117 127 128 139 119 118 114 127 (a) Make a frequency distribution of the data set using five classes. Include class limits, midpoints, boundaries, frequencies, relative frequencies, and cumulative frequencies. (b) Display the data using a frequency histogram and a frequency polygon on the same axes. (c) Display the data using a relative frequency histogram. (d) Describe the distribution's shape as symmetric, uniform, or skewed. (e) Display the data using a stem-and-leaf plot. Use one line per stem. (f) Display the data using a box-and-whisker plot. (g) Display the data using an ogive. 2. Use frequency distribution formulas to approximate the sample mean and the sample standard deviation of the data set in Exercise 1. 3. U.S. sporting goods sales (in billions of dollars) can be classified in four areas: clothing (10.6), footwear (17.2), equipment (24.9), and recreational transport (27.0). Display the data using (a) a pie chart and (b) a Pareto chart. (Source: National Sporting Goods Association) 4. Weekly salaries (in dollars) for a sample of registered nurses are listed. 774 446 1019 795 908 667 444 960 (a) Find the mean, median, and mode of the salaries. Which best describes a typical salary? (b) Find the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting