Construct a Confidence Interval About the Slope of the Least $95 \%$

question 52

Multiple Choice

Construct a Confidence Interval about the Slope of the Least -squares Regression Model
-Construct a $95 \%$ confidence interval about the slope of the true least-squares regression line, for the data below, given that $\hat { y } = - 2.5 x$ .
$\begin{array}{c|c|c|c|c|}\mathrm{x} & -1 & -2 & -3 & -4 \\\hline \mathrm{y} & 2 & 6 & 7 & 10\end{array}$

• A) \(( - 4.165 , - 0.835 )\)
• B) \(( - 6.226,1.226 )\)
• C) \(( - 3.630 , - 1.370 )\)
• D) \(( - 3.731 , - 1.269 )\)

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