MTH 231 Week 4 DQ 1 and DQ 2

This pack of MTH 231 Week 4 Discussion Questions shows the solutions to the following points:

DQ 1: State the criteria for choosing a t-test and a z-test. Then give an example of a problem in which you would use z-test to evaluate the data. Next, take the same example and modify it so that a t-test would be preferable. Explain why.
DQ 2:

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    Attached: MTH 231 Week 4 DQ 1 and DQ

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