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Fitted Regression Equation

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In the following regression (see attached data), X=weekly pay, Y=income tax withheld, and n=35 McDonald's employees.

a. Write the fitted regression equation.

b. State the degrees of freedom for a two-tailed test for zero slope, and use Appendix D (See attached Data) to find the critical value at a=.05.

c. What is your conclusion about the slope?

d. Interpret the 95 percent confidence limits for the slope.

e. Verify that F=t^2 for the slope.

f. Describe the fit of this regression.

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Solution Summary

This solution determines the fitted regression equation, states the degrees of freedom and makes a justified conclusion on the scope. All steps are shown in an Excel file.

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