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$\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\text { Survey }$
$\begin{array}{|c|c|c|c|}\hline \text { Sales } & \text { Service } & \text { Warehouse } & \text { Management } \\\hline 3 & 2 & 2 & 4 \\\hline 1 & 3 & 4 & 3 \\\hline 3 & 4 & 2 & 4 \\\hline 2 & 4 & 2 & 4 \\\hline 2 & 3 & 2 & 3 \\\hline\end{array}$ You would like to compare employees in each of the four departments of your organization: the sales department, the service department, the warehouse, and management. Specifically, you want to know if job satisfaction survey scores are different due to Department.
1) What is the research question?
2) What are the hypotheses?
3) What are the degrees of freedom?
4) What is the critical value for this test?
5) Create an ANOVA summary table.
6) State the formal results of the test.
7) Should you compute a measure of the overall effect size? How do you know? If so, calculate this effect size.
8) What is the critical mean difference for Scheffe's test?
9) Should you conduct post-hoc tests? Why or why not?
10) Which groups are significantly different from one another?
11) State all appropriate conclusions.