Identify the significance level, the test statistic, and the critical value.

State whether you are rejecting or failing to reject the null hypothesis statement.

Explain how the results could be used by the manager of the company.

Perform the following two-tailed hypothesis test, using a .05 significance level:

Extrinsic variable by Position Type

State the null and an alternate statement for the test

Use Microsoft Excel (Data Analysis Tools) to process your data and run the appropriate test.

Copy and paste the results of the output to your report in Microsoft Word.

Identify the significance level, the test statistic, and the critical value.

State whether you are rejecting or failing to reject the null hypothesis statement.

Explain how the results could be used by the manager of the company.

Explain when to use a t-test and when to use a z-test. Explore the differences.

Discuss why samples are used instead of populations.