Multiple Choice
In the formula for finding a confidence interval when the value of the population standard deviation is unknown,we change N to N - 1.The reason for this change is
A) to correct for the fact that s is biased.
B) the standard deviation of a sample is always greater than the standard deviation of the population.
C) the standard deviation of a sample is unbiased.
D) sample size is much too large.
Correct Answer:
Verified
Correct Answer:
Verified
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