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The data from exercise 2 follow.

Xi

3

12

6

20

14

yi

55

40

55

10

15

a. Estimate the standard deviation of width=whenx= 8.

b. Develop a 95% confidence interval estimate of the expected value ofywhenx= 8.

c. Estimate the standard deviation of an individual value ofywhenx= 8.

d. Develop a 95% prediction interval forywhenx= 8.

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  • Reference No.:- M91879765

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