If a researcher rejects the null hypothesis she is concluding that
A) there are real differences between groups.
B) there are no real differences between groups.
C) differences between groups are due to chance.
D) differences between groups are due to measurement error.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis means that the researcher has found evidence to support the alternative hypothesis, which generally implies that there are differences between groups.

If a Researcher Rejects the Null Hypothesis She Is Concluding