Maurice Tutor

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Category > Computer Science Posted 19 Sep 2017 My Price 6.00

treat leukemia

Testing μ, σ unknown

The drug 6-mP (6-mercaptopurine) is used to treat leukemia. The following data represent the remission times (in weeks) for a random sample of 21 patients using 6-mP (Reference: E. A. Gehan, University of Texas Cancer Center).

10

7

32

23

22

6

16

34

32

25

11

20

19

6

17

35

6

13

9

6

10

 

The sample mean is  width=weeks, with sample standard deviation s ≈ 10.0. Let x be a random variable representing the remission time (in weeks) for all patients using 6-mP. Assume the x distribution is mound-shaped and symmetric. A previously used drug treatment had a mean remission time of μ = 12.5 weeks.

Do the data indicate that the mean remission time using the drug 6-mP is different (either way) from 12.5 weeks? Use a = 0.01.

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Maurice Tutor
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Status NEW Posted 19 Sep 2017 09:09 AM My Price 6.00

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