Use a Graphing Utility to Find the Equation of the Line

question 249

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
-Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. $\begin{array}{l|l|l|l|l|l|l|l|l|l}Performance&59 & 63 & 65 & 69 & 58 & 77 & 76 & 69 & 70 & 64 \\Attitude& 72 & 67 & 78 & 82 & 75 & 87 & 92 & 83 & 87 & 78\end{array}$

• A) \(y = - 47.3 + 2.02 x\)
• B) \(y = 92.3 - 0.669 x\)
• C) \(y = 11.7 + 1.02 x\)
• D) \(y = 2.81 + 1.35 x\)

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Definitions:

Abdomen

The part of the body between the chest and pelvis, containing most of the digestive system organs along with the liver and kidneys.

Half-moon

A crescent-shaped figure, often used to describe the visible white shape at the base of a human fingernail.

Erectile Tissue

Tissue in the body capable of becoming rigid and engorged with blood, primarily found in the penis and clitoris.

Clitoris

An erectile organ located at the anterior junction of the labia minora.