Do male and female school superintendents earn the same pay? A sample of male and female school superintendents showed the following salaries in $'000.
|
School Superintendents
|
Sample Size
|
Sample Mean
|
Sample Standard Deviation
|
|
Male
|
15
|
189
|
21
|
|
Female
|
12
|
169
|
19
|
At the .05 significance level, do male superintendents earn more than female superintendents?
Write the hypothesis statements.
Explain what test statistic will be used and why.
Compute the test statistic.
State the decision rule and sketch it. Based on the decision rule, do you accept or reject the Null Hypothesis?
State the findings