Two Different Tests Are Designed to Measure Employee Productivity and Dexterity

Multiple Choice

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