Question: In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees. (a) Write the fitted regression equation.

In the following regression, 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 to find the critical value at Î± = .05.
(c) What is your conclusion about the slope?
(d) Interpret the 95 percent confidence limits for the slope.
(e) Verify that F = t2 for the slope.
(f) In your own words, describe the t of this regression.

R2 Std. Error 6.816 0.202 35 ANOVA table Source Regression df MS F p-value 0068 387.6959 1,533.0614 387.6959 46.4564 8.35 Residual Total 1,920.7573 34 confidence interval Regression output vanables coefficients std error t(df 33) p-value 95% lower 95% upper Intercept 30.7963 6.4078 4.806 0000 17.7595 43.8331 Slope 0.0343 0.0119 2.889 0068 0.0101 0.0584

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