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You perform a study to investigate whether exercise influences sleep duration. Participants record their total sleep...

You perform a study to investigate whether exercise influences sleep duration. Participants record their total sleep time after a day with their average level of physical activity (Control) and after a day during which they exercised more than their average (Exercise). The data are total sleep time for each participant (shown as hours):

Subject

Control

Exercise

1

8.2

8.4

2

7.5

7.4

3

7.1

7.6

4

7

8

5

6.5

7.2

6

7.1

6.8

7

7.5

8.3

8

7

7.4

a. Perform a hypothesis test to determine if exercise has an impact on total sleep time (15 marks). Remember to include effect size.

b. What can you conclude about the effect of exercise on sleep duration? (5 marks)

math   Statistics-And-Probability   
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