A researcher tested his theory about the moon being made of green cheese with a goodness-of-fit test. The chi square value obtained did not allow him to reject the null hypothesis. He should conclude that
A) the data fit his theory
B) his theory should be rejected
C) more information is necessary to answer his question.

Question

Quizplus · Accepted Answer

The chi square goodness-of-fit test is used to determine how well observed data fit expected data. If the chi square value obtained does not allow the researcher to reject the null hypothesis, it means that the observed data do not significantly differ from what was expected under the theory. Therefore, the data fit his theory.

A Researcher Tested His Theory About the Moon Being Made