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Hypothesis testing

Using AIU's large database of survey responses from the AIU data set, complete the following:

Perform hypothesis testing on one variable's data. (Choose either the intrinsic or extrinsic column.) Perform a t-test by formulating a null and an alternative statement, choosing an acceptable significance value, selecting the test statistic and determining its value from the sample data, comparing the observed value to the critical value obtained and determining whether to reject or fail to reject the null hypothesis.

In a separate paragraph, provide some information on when to use a t-test and when to use a z-test and why. Also, provide some information about why samples are used instead of populations.

INSTRUCTOR NOTES FOR ASSIGNMENT:::::To make this assignment easier, test if the mean intrinsic job satisfaction of US workers is 5.0. Please show all steps of a hypothesis test.

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This provides an example of completing all steps of a hypothesis test.

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