If possible with your statistical software, use the dotplot method to compare the 50-state unemployment rates in 1980 with those in 2007. Use the same scale for each dotplot, then comment on whether unemployment appears to have changed in terms of its range (highest minus lowest) or in the general level of unemployment (perhaps a slight shift to the right or to the left) from 1980 to 2007. Data for both years are in the file XR02066.
Answer to relevant QuestionsAmong the information in its top-50 list of the nation’s law schools, U.S. News & World Report provided two reputation scores (with maximum 5 5.0) for each school: one from academicians, the other from lawyers/ judges. The ...For the situation and data described in Exercise 2.71, and using data file XR02071, a. Construct a simple tabulation in which the counts are according to which company supplied the electrical/ motor components. b. Construct ...In preparation for upcoming contract negotiations, labor and management representatives of the Hoffer Concrete Company have been collecting data on the earnings of a sample of employees (ranging from the president to the ...Using the data in Exercise 2.11, determine the mean and the median number of goals per season that Mr. Gretzky scored during his 20 seasons in the National Hockey League. Exercise no 2.11 A manufacturing firm has collected information on the number of defects produced each day for the past 50 days. The data have been described by the accompanying Minitab box-and-whisker plot. a. What is the approximate value ...
Post your question