Exhibit 12-9
a Regression and Correlation Analysis Resulted in the Following

question 127

Multiple Choice

Exhibit 12-9
A regression and correlation analysis resulted in the following information regarding a dependent variable y) and an independent variable x) .
$\begin{array}{ll}\Sigma \mathrm{X}=90 & \Sigma \mathrm{Y}-{\bar{\mathrm{Y}}) X}-\bar{X}) =466 \\\Sigma \mathrm{Y}=170 & \Sigma \mathrm{Y}-\overline{\mathrm{Y}}) ^{2}=1434 \\\mathrm{n}=10\\\mathrm{SSE}=505.98 & \Sigma \mathrm{X}-\bar{X}) ^{2}=234 \end{array}$

-Refer to Exhibit 12-9. The least squares estimate of b? equals

• A) 0.923
• B) 1.991
• C) -1.991
• D) -0.923

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Definitions:

Hardy

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A condition characterized by the impairment of the heart's blood supply due to plaque buildup in the coronary arteries, leading to heart attacks and angina.

Eclectic View

An approach that combines methods and theories from various schools of thought to address psychological issues.