The t distribution should be used whenever _____.
A) the sample size is less than 30
B) the sample standard deviation is used to estimate the population standard deviation
C) the population is not normally distributed
D) None of the answers is correct.
Correct Answer:
Verified
Q21: From a population that is normally distributed
Q22: A 95% confidence interval for a population
Q23: A random sample of 36 students at
Q24: A bank manager wishes to estimate the
Q25: Whenever using the t distribution in interval
Q27: A sample of 26 elements from a
Q28: When the level of confidence increases, the
Q29: Whenever the population standard deviation is unknown,
Q30: A random sample of 144 observations has
Q31: An auto manufacturer wants to estimate the
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