Multiple Choice
From a population that is normally distributed with an unknown standard deviation, a sample of 25 elements is selected.For an interval estimation of the population mean, the proper distribution to use is the:
A) t distribution with 24 degrees of freedom
B) t distribution with 26 degrees of freedom
C) normal distribution
D) standard normal distribution
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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