Are the assumptions of an ANOVA reasonably satisfied
A researcher investigates the factors that are associated with the salaries of professors who tea…
A researcher investigates the factors that are associated with the salaries of professors who teach courses at a major university. The researcher gathers data about the subject area and the salary per course for a random sample of professors.
- Run the appropriate test in Minitab and show output. What conclusions can you make?
- Obtain boxplots and residual plots for these data.
- Are the assumptions of an ANOVA reasonably satisfied? Explain in reference to the plots.
- If there is a difference in salaries run a Tukey’s test to show how the salaries for the different subject areas compare to each other. Describe what the results of the Tukey’s test tell you.
Salary per course Subject
1700 Humanities
1900 Humanities
1800 Humanities
2100 Humanities
2500 Humanities
2700 Humanities
2900 Humanities
2500 Humanities
2600 Humanities
2800 Humanities
2700 Humanities
2900 Humanities
2500 Social Sciences
2300 Social Sciences
2600 Social Sciences
2400 Social Sciences
2700 Social Sciences
2400 Social Sciences
2600 Social Sciences
2400 Social Sciences
2500 Social Sciences
3500 Social Sciences
3300 Social Sciences
3600 Social Sciences
3400 Social Sciences
2700 Engineering
2800 Engineering
2900 Engineering
3000 Engineering
2800 Engineering
2700 Engineering
3700 Engineering
3600 Engineering
3700 Engineering
3800 Engineering
3900 Engineering
2500 Managament
2600 Managament
2300 Managament
2800 Managament
3300 Managament
3400 Managament
3300 Managament
3500 Managament
3600 Managament
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