Multiple Choice
Under which of the following circumstances is it impossible to construct a confidence interval for the population mean?
A) a non-normal population with a large sample and an unknown population variance
B) a normal population with a large sample and a known population variance
C) a non-normal population with a small sample and an unknown population variance
D) a normal population with a small sample and an unknown population variance
Correct Answer:

Verified
Correct Answer:
Verified
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