Use the REGRESSION Feature on a Graphing Calculator

question 84

Multiple Choice

Use the REGRESSION feature on a graphing calculator.
-Efficiency experts rate employees according to job performance and attitude. The results for several randomly selected employees are given below. Find the regression line which can be used to predict performance rating if attitude rating is known.

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

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