Are students as consistent with their study time as they are with leisure time? Many researchers worry that the amount of time students spend studying varies dramatically compared with the amount of time an individual spends doing leisure activities (playing games, watching movies, sports, etc.) on a daily basis. To determine whether this is the case, a study was conducted with two independent student groups. The first group consisted of a random sample of 10 students who were asked the amount of time (in hours) they spend studying daily. The group gave the following results: 3 2 1 4 1 2 5 3 5 1   The second group consisted of a random sample of 9 students who were asked the amount of time (in hours) they spend doing leisurely activities daily. The group gave the following results. 4 3 4 2 5 3 5 5 4 Test the claim that the population variance students spend studying is greater than the population variance students spend doing leisure activities. Use a 5% level of significance

MATLAB: An Introduction with Applications
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  1. Are students as consistent with their study time as they are with leisure time? Many researchers worry that the amount of time students spend studying varies dramatically compared with the amount of time an individual spends doing leisure activities (playing games, watching movies, sports, etc.) on a daily basis. To determine whether this is the case, a study was conducted with two independent student groups. The first group consisted of a random sample of 10 students who were asked the amount of time (in hours) they spend studying daily. The group gave the following results:

3

2

1

4

1

2

5

3

5

1

 

The second group consisted of a random sample of 9 students who were asked the amount of time (in hours) they spend doing leisurely activities daily. The group gave the following results.

4

3

4

2

5

3

5

5

4

Test the claim that the population variance students spend studying is greater than the population variance students spend doing leisure activities. Use a 5% level of significance.

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