Samples from two high schools are being tested for the difference in their average levels of prejudice. One sample contains 39 respondents and the other sample contains 47 respondents. The appropriate sampling distribution is the________.
A) t distribution.
B) Z distribution.
C) F distribution.
D) Any of the answer choices

Question

Quizplus · Accepted Answer

Since the sample sizes are relatively small (less than 50), and the population standard deviation is unknown, the appropriate distribution to use is the t distribution.

Samples from Two High Schools Are Being Tested for the Difference