Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Use Excel to a. Compute a $95 \%$ confidence interval for $E ( y )$ when $x = 5$.
b. Compute a $95 \%$ prediction interval for $y$ when $x = 5$.
$\begin{array}{ll}
x & y \
\hline 2 & 12 \
3 & 9 \
6 & 8 \
7 & 7 \
8 & 6 \
7 & 5 \
9 & 2
\end{array}$

Question

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The Answer of Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Use Excel to a. Compute a $95 \%$ confidence interval for $E ( y )$ when $x = 5$.
b. Compute a $95 \%$ prediction interval for $y$ when $x = 5$.
$\begin{array}{ll}
x & y \
\hline 2 & 12 \
3 & 9 \
6 & 8 \
7 & 7 \
8 & 6 \
7 & 5 \
9 & 2
\end{array}$

Given Below Are Seven Observations Collected in a Regression Study 95%95 \%95%

Given Below Are Seven Observations Collected in a Regression Study $95 \%$