Question

In: Statistics and Probability

A researcher wants to determine how employee salaries (in thousands) at a certain company are related...

A researcher wants to determine how employee salaries (in thousands) at a certain company are related

to their length of employment (in years). The researcher randomly selects 8 employees and obtains the

following data:                                                                                                                                                                      

Salary

57310

57380

54135

56985

58715

60620

59200

60320

Length of Employment

10

5

3

6

8

20

8

14

  1. Compute the correlation coefficient (r) and say what it describes.
  2. Provide the regression equation for this data (label your variables – don’t use y and x).
  3. Calculate the coefficient of determination (r2) and give its interpretation.     

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