A San Jose State student collects data from 20 students. He compares the number of classes a student is enrolled in to their GPA. Here are the results of the regression analysis. The conditions for inference are satisfied.
Simple linear regression results: Dependent Variable: GPA Sample size: 20
R-sq = 0.26753742 s: 0.45747

$\begin{array}{|l|r|r|r|r|}
\hline\text{ Coefficient } &\text{ Estimate } &\text{ Std. Err. } &\text { T-Stat } &\text { P-Value } \
\hline \text { Constant }& 3.4246 & 0.16580 & 20.654 &

Question

A San Jose State student collects data from 20 students. He compares the number of classes a student is enrolled in to their GPA. Here are the results of the regression analysis. The conditions for inference are satisfied.
Simple linear regression results: Dependent Variable: GPA Sample size: 20
R-sq = 0.26753742 s: 0.45747

$\begin{array}{|l|r|r|r|r|}
\hline\text{ Coefficient } &\text{ Estimate } &\text{ Std. Err. } &\text { T-Stat } &\text { P-Value } \
\hline \text {  Constant }& 3.4246 & 0.16580 & 20.654 & <0.0001  \
\hline \text {  No. of Classes} & -0.13940 & 0.054369 & -2.5641 & 0.0195 \
\hline
\end{array}$

-Find and interpret a 95% confidence interval for the slope of the regression equation.

Quizplus · Accepted Answer

The Answer of A San Jose State student collects data from 20 students. He compares the number of classes a student is enrolled in to their GPA. Here are the results of the regression analysis. The conditions for inference are satisfied.
Simple linear regression results: Dependent Variable: GPA Sample size: 20
R-sq = 0.26753742 s: 0.45747

$\begin{array}{|l|r|r|r|r|}
\hline\text{ Coefficient } &\text{ Estimate } &\text{ Std. Err. } &\text { T-Stat } &\text { P-Value } \
\hline \text {  Constant }& 3.4246 & 0.16580 & 20.654 & <0.0001  \
\hline \text {  No. of Classes} & -0.13940 & 0.054369 & -2.5641 & 0.0195 \
\hline
\end{array}$

-Find and interpret a 95% confidence interval for the slope of the regression equation.

A San Jose State Student Collects Data from 20 Students