Is there a relationship between amount of exercise and college GPA? Exercise (ho

Question

Is there a relationship between amount of exercise and college GPA?

Exercise (hours per week)

GPA

25

3

30

3.5

20

3.8

45

4

Calculate the covariance of the two variables.

Question 9 options:

1.52

1.75

2.33

5.62

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Question 10 (0.5 points)

Is there a relationship between amount of exercise and college GPA?

Exercise (hours per week)

GPA

25

3

30

3.5

20

3.8

45

4

Calculate the correlation of the two variables.

Question 10 options:

0.106

0.497

0.815

3.829

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Exercise (hours per week)

GPA

25

3

30

3.5

20

3.8

45

4

Explanation / Answer

The statistical software output for this problem is:

Covariance between Exercise and GPA:
2.3333333

Correlation between Exercise and GPA is:
0.49668505

Hence,

Answer - 9: Option C is correct.

Answer - 10: Option B is correct.

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