In setting the confidence interval for the population mean of a normal or approximately normal distribution, and given that the sample size is small, Student’s t-distribution is the most appropriate approach when the variance is:A.known.B.large.C.unknown.
In setting the confidence interval for the population mean of a normal or approximately normal distribution, and given that the sample size is small, Student’s t-distribution is the most appropriate approach when the variance is:
A、known.
B、large.
C、unknown.
发布时间：2025-07-23 07:35:48
