Quiz 09.06 | Comparing Two Populations

Quiz 09.06 | Comparing Two Populations

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Question 1 of 2

1. Question
What assumption is made about the populations when using the sampling distribution of the difference between two means?
- a. The populations are not normally distributed
- b. The populations are normally distributed
- c. The populations are skewed
- d. The populations are bimodal
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Question 2 of 2

2. Question
How is the mean of the sampling distribution of the difference between two means calculated?
- a. By subtracting the means of the two populations
- b. By adding the means of the two populations
- c. By multiplying the means of the two populations
- d. By dividing the means of the two populations
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