Movie Money, continued The data fromExercise 3.26 were entered into a MINITAB
Chapter 3, Problem 27(choose chapter or problem)
Movie Money, continued The data fromExercise 3.26 were entered into a MINITAB worksheet,and the following output was obtained.Covariances:Weekend TotalGross Theaters Average Gross WeekWeekend Gross 19.6Theaters 2550.7 550521.6Average 5093.3 421558.5 1700161.7Total Gross -194.1 -38787.2 -43562.8 12839.1Week -7.1 -1152.8 -1852.7 278.0 6.8a. Use the MINITAB output or the original data to findthe correlation between the number of weeks in releaseand the total gross to date.b. For the pair of variables described in part a, whichof the variables would you classify as the independentvariable? The dependent variable?c. Use the MINITAB output or the original data to findthe correlation between the weekend gross and thenumber of theaters in which the movie is beingshown. Find the correlation between the numberof theaters in which the movie is being shown andthe per theater average.d. Do the correlations found in part c confirm youranswer to Exercise 3.26a? What might be thepractical reasons for the direction and strength ofthe correlations in part c?
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