You may need to use the appropriate appendix table or technology to answer this question. Given are five observations fo

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You may need to use the appropriate appendixtable or technology to answer this question.
Given are five observations for twovariables, x and y. (Round youranswers to two decimal places.)
xi
yi
(a)
Estimate the standard deviation of
ŷ*
when
x = 8.
(b)
Develop a 95% confidence interval for the expected valueof y when
x = 8.
to
(c)
Estimate the standard deviation of an individual valueof y when
x = 8.
(d)
Develop a 95% prediction intervalfor y when
x = 8.