This question requires careful thinking. The logic of null hypothesis statistical testing (NHST) involves assuming that
A) two populations have equal means and then using sample data to conclude that they are probably equal
B) two populations have unequal means and then using sample data to conclude that they are probably unequal
C) two populations have equal means and then using sample data to conclude that they are probably unequal
D) two populations have unequal means and then using sample data to conclude that they are probably equal.

Question

Quizplus · Accepted Answer

The logic of NHST starts with the assumption that two populations have equal means (null hypothesis) and then uses sample data to test this assumption. If the data strongly suggest that the populations are probably unequal, the null hypothesis can be rejected.

This Question Requires Careful Thinking