Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary.
-Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
Performance Attitude
\begin{tabular}{l|l|l|l|l|l|l|l|l|l}
59 & 63 & 65 & 69 & 58 & 77 & 76 & 69 & 70 & 64 \
\hline 72 & 67 & 78 & 82 & 75 & 87 & 92 & 83 & 87 & 78
\end{tabular}

A) $\hat { y } = 11.7 + 1.02 \mathrm { x }$
B) $\hat { y } = 2.81 + 1.35 \mathrm { x }$
C) $\hat { y } = 92.3 - 0.669 x$
D) $\hat { y } = - 47.3 + 2.02 x$

Question

Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary.
-Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
Performance Attitude
\begin{tabular}{l|l|l|l|l|l|l|l|l|l}
59 & 63 & 65 & 69 & 58 & 77 & 76 & 69 & 70 & 64 \
\hline 72 & 67 & 78 & 82 & 75 & 87 & 92 & 83 & 87 & 78
\end{tabular}

A) $\hat { y } = 11.7 + 1.02 \mathrm { x }$
B) $\hat { y } = 2.81 + 1.35 \mathrm { x }$
C) $\hat { y } = 92.3 - 0.669 x$
D) $\hat { y } = - 47.3 + 2.02 x$

Quizplus · Accepted Answer

The regression line is calculated using the least squares method. The slope and intercept are derived from the given data points, resulting in the equation $\hat { y } = 11.7 + 1.02 \mathrm { x }$.

Use the Given Data to Find the Equation of the Regression