Question: Given below are six observations collected in a regression study on two variables x (independent variable) and y (dependent variable). X Y 41 8 43

Given below are six observations collected in a regression study on two variables x (independent variable) and y (dependent variable).

X

Y

41

8

43

6

32

4

49

3

55

2

56

1

a.

Determine the equation of the least squares regression line to predict y by x.

b.

Perform t-Test for the slope of the regression line. Use = .05

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