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Predict the value for Y for the given X.

A sociologist is interested in relation between x = number of jobs and y= annual salary (in thousands of dollars) for people who live in the Nashville area. A random sample of 10 people employed in Nashville provided the following information:

 

X (Number of job changes)

4

7

5

6

1

5

9

10

10

3

Y (Salary in $ 1000)

33

37

34

32

32

38

43

37

40

33

∑x = 60; ∑y = 359; ∑x2= 13,013; ∑xy = 2231

If someone had x=2 job changes, what does minimum squares line predict for y, the annual salary?

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