a. Find the least squares fit using these three independent variables. Write your estimated regression equation.
b. Interpret the p-value of the F-statistic. What is the null hypothesis? What is your conclusion?
c. Use your results to do a two-tailed t-test on the significance of each of the slopes. State the hypothesis. Interpret the p-values; what are your conclusions for each slope?
d. Interpret the R-squared value. Is the model’s fit good enough to be of practical value?
See Excel file for the data and specific answers I need help on. Thanks!
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