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Suppose we conduct a trial with 6 participants to study the effect of bedtime yo

ID: 3364121 • Letter: S

Question

Suppose we conduct a trial with 6 participants to study the effect of bedtime yoga on the time to sleep in minutes. The time to sleep for each participant is shown in table below. The standard deviation of the differences in time to sleep without yoga compared to with yoga is 1.2. What is the value of the appropriate test statistic for determining whether there is a change in time to sleep?

Participant

1

2

3

4

5

6

Without Yoga

29

17

6

30

16

22

With Yoga

27

12

1

26

13

19

2.33

7.42

1.06

5.61

Participant

1

2

3

4

5

6

Without Yoga

29

17

6

30

16

22

With Yoga

27

12

1

26

13

19

Explanation / Answer

Option B

Without Yoga With Yoga n 6 6 mean() 20 16.33333333 std. dev. 9.011104261 9.791152469 SE(s/sqrt(n)) 3.6788 3.9972