When finding a confidence interval for a population mean based on a sample of size 8, which assumption is made?
A. Both populations have the same standard deviation.
B. The sample population is approximately normal.
C. The sampling distribution of z is normal.
D. There is no special assumption made.

Question

06-07-2024
Mathematics

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When finding a confidence interval for a population mean based on a sample of size 8, which assumption is made?
A. Both populations have the same standard deviation.
B. The sample population is approximately normal.
C. The sampling distribution of z is normal.
D. There is no special assumption made.

Sagot :

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