In the formula for calculating a z score, what does σ stand for?
A) standard error of the mean
B) the z value
C) the sample standard deviation
D) the population standard deviation
Correct Answer:
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Q33: If your sample mean is 30, your
Q34: If your sample mean is 25, your
Q34: If you have a population standard deviation
Q35: If your sample mean is 10, your
Q36: If your sample mean is 25, your
Q37: In the formula for calculating standard error
Q39: If your population average is 45, your
Q41: If you have a population standard deviation
Q42: If you have a population standard deviation
Q45: For the t-test,the population's standard deviation is
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