Question

x 5 3 4 10 15 y 25 20 21 35 38 The time x in...

x

5

3

4

10

15

y

25

20

21

35

38

The time x in years that an employee spent at a company and the employees hourly pay, y, for

  1. Compute the correlation coefficient. (2 decimal places)
  2. Determine the regression line equation. (2 decimal places)
  3. Predict the hourly pay rate of an employee who has worked for 12 years (nearest tenth)
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

a) correlation coefficient. =0.97

b) regression line equation :Y =16.07+1.58*x

c)

Predicted value =16.07+1.58*12 =35.0 ( please try 35.1 if regression equation is used for more than 2 decimals)

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