Confidence interval estimate of the expected value

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Reference no: EM131123203

The data from exercise 2 follow.

X_i	3	12	6	20	14
y_i	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.

Reference no: EM131123203

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