When testing a null hypothesis about a single population mean and the population standard deviation is unknown,if the sample size is less than 30,one compares the computed test statistic for significance with a value from the ___________ distribution.
A)t
B)z
C)Binomial
D)Hypergeometric

Question

Quizplus · Accepted Answer

When the population standard deviation is unknown and the sample size is less than 30, the appropriate distribution to use is the t-distribution.

When Testing a Null Hypothesis About a Single Population Mean