Questions 1-2: In a random sample of students at a large university, the followi
ID: 3059216 • Letter: Q
Question
Questions 1-2: In a random sample of students at a large university, the following data were obtained on the number of times in the past year each student went to a movie and attended a sporting event. We'd like to use the data to see if there is a difference, on average, in the numbers of movies and sporting events attended for all students at this university. Student 345 67 8 9 1 mean SD Movies 13 12 16-17- 45-t10-125-t-12-114.6 12.47397 9.0 8.37987 5.6 14.84138 12 -8 4 14 33 15 25 0 Probability Plot of Movies, Sports, Diff Normal-95% CI 99- 90 90 50 50 10 40 60 20 20 Diff 90- 50 10 50 25 25 50 1. How many degrees of freedom would there be for the appropriate test? A. 9 B. 10 C. 15 D. 18Explanation / Answer
Questions 1-2: In a random sample of students at a large university, the following data were obtained on the number of times in the past year each student went to a movie and attended a sporting event. We'd like to use the data to see if there is a difference, on average, in the numbers of movies and sporting events attended for all students at this university. Student 345 67 8 9 1 mean SD Movies 13 12 16-17- 45-t10-125-t-12-114.6 12.47397 9.0 8.37987 5.6 14.84138 12 -8 4 14 33 15 25 0 Probability Plot of Movies, Sports, Diff Normal-95% CI 99- 90 90 50 50 10 40 60 20 20 Diff 90- 50 10 50 25 25 50 1. How many degrees of freedom would there be for the appropriate test? A. 9 B. 10 C. 15 D. 18
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.