Explore BrainMass

Explore BrainMass

    Statistics - Regression and Confidence Limits

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    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 twotailed test for zero slope, and use Appendix D to find the critical value at α = .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 fit of this regression.

    13.32 An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8-year period (n = 423) with the following results, with dependent variable Year (year in which the salary was observed) and predictors YearHire (year when the individual was hired), Race (1 if individual is black, 0 otherwise), and Rank (1 if individual is an assistant professor, 0 otherwise). Interpret these results.

    [See the attached questions file.]

    © BrainMass Inc. brainmass.com October 2, 2022, 11:48 am ad1c9bdddf
    https://brainmass.com/statistics/regression-analysis/statistics-regression-confidence-limits-199675

    Attachments

    Solution Summary

    Very neat and step-wise solutions are provided.

    $2.49

    ADVERTISEMENT