Suppose that you wish to test a claim about a population mean. Which distribution should be used given that the sample is a simple random sample, ? is unknown, n = 15, and the population is not normally distributed?
A) Normal distribution
B) t-distribution
C) Neither the normal nor the t-distribution

Question

Quizplus · Accepted Answer

Since the population is not normally distributed and the sample size is small (n = 15), neither the normal distribution nor the t-distribution is appropriate for testing the claim about the population mean.

Suppose That You Wish to Test a Claim About a Population