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# least squares, sample correlation coefficient, coefficient

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Exhibit 12-1

You are given the following information about y and x.

y x
Dependent Variable Independent Variable
5 15
7 12
9 10
11 7

16. Refer to Exhibit 12-1. The least squares estimate of b1 equals

a. -0.7647

b. -0.13

c. 21.4

d. 16.412

17. Refer to Exhibit 12-1. The least squares estimate of b0
equals

a. -7.647

b. -1.3

c. 21.4

d. 16.41176

18. Refer to Exhibit 12-1. The sample correlation coefficient equals

a. -86.667

b. -0.99705

c. 0.9941

d. 0.99705

19. Refer to Exhibit 12-1. The coefficient of determination equals

a. -0.99705

b. -0.9941

c. 0.9941

d. 0.99705

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#### Solution Preview

Least square regression equation is y = 16.41176 -0.7647x with R^2 ...

#### Solution Summary

Solution shows least squares, sample correlation coefficient, coefficient of determination for given problem.

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