The data from exercise 2 follow.
|
Xi
|
3
|
12
|
6
|
20
|
14
|
|
yi
|
55
|
40
|
55
|
10
|
15
|
a. Estimate the standard deviation of
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.