Question: 1.Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). x y 2 12 3

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

x y
2 12
3 9
6 8
7 7
8 6
7 5
9 2

a. Develop the least squares estimated regression equation.
b. At 95% confidence, perform a t test and determine whether or not the slope is significantly different from zero.
c. Perform an F test to determine whether or not the model is significant. Leta= 0.05.
d. Compute the coefficient of determination.

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