A researcher's results are shown below using n = 25 observations. $$\begin{array} { l c r }
\hline \text { Variable } & \text { Coefficient } & \text { Standard Error } \
\hline \text { Intercept } & 343.619889 & 61.0823514 \
\text { Slope } & - 2.2833659 & 0.99855319 \
\hline
\end{array}$$ The 95 percent confidence interval for the slope is:
A)[-3.282, -1.284].
B)[-4.349, -0.217].
C)[1.118, 5.026].
D)[-0.998, +0.998].

Question

A researcher's results are shown below using n = 25 observations. $$\begin{array} { l c r } 
\hline \text { Variable } & \text { Coefficient } & \text { Standard Error } \
\hline \text { Intercept } & 343.619889 & 61.0823514 \
\text { Slope } & - 2.2833659 & 0.99855319 \
\hline
\end{array}$$ The 95 percent confidence interval for the slope is:
A)[-3.282, -1.284].
B)[-4.349, -0.217].
C)[1.118, 5.026].
D)[-0.998, +0.998].

Quizplus · Accepted Answer

The Answer of A researcher's results are shown below using n = 25 observations. $$\begin{array} { l c r } 
\hline \text { Variable } & \text { Coefficient } & \text { Standard Error } \
\hline \text { Intercept } & 343.619889 & 61.0823514 \
\text { Slope } & - 2.2833659 & 0.99855319 \
\hline
\end{array}$$ The 95 percent confidence interval for the slope is:
A)[-3.282, -1.284].
B)[-4.349, -0.217].
C)[1.118, 5.026].
D)[-0.998, +0.998].

A Researcher's Results Are Shown Below Using N = 25