Please answer the following. (6 pts - 2 pts. ea.) a. Explain the difference between testing a single
Question: Please answer the following. (6 pts – 2 pts. ea.)
a. Explain the difference between testing a single mean and testing the difference between two means.
b. What two assumptions must be met when one is using z test to test differences between two means?
c. When can the sample standard deviations s1 and s2 be used in place of the population standard deviations s1 and s2?
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Deliverables: Word Document
Deliverables: Word Document
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