Find the Value of the Linear Correlation Coefficient R A) $\hat{y} = 10.7 + 1.53 x$

question 33

Multiple Choice

Find the value of the linear correlation coefficient r.
-Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results. $\begin{array}{cc|c|c|c|c|c|c|c|c|c}\text { Productivity } & 23 & 25 & 28 & 21 & 21 & 25 & 26 & 30 & 34 & 36 \\\hline\text { Dexterity } & 49 & 53 & 59 & 42 & 47 & 53 & 55 & 63 & 67 & 75\end{array}$

• A) \(\hat{y} = 10.7 + 1.53 x\)
• B) \(\hat{y} = 5.05 + 1.91 \mathrm { x }\)
• C) \(\hat { y } = 2.36 + 2.03 x\)
• D) \(\hat { y } = 75.3 - 0.329 \mathrm { x }\)

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