The _____ hypothesis is that there is no difference in group means. It is based on the notion that any change from the past is due entirely to random error.
A) zero
B) common
C) nondirectional
D) null
E) alternative

Question

Quizplus · Accepted Answer

The null hypothesis states that there is no significant difference between two measured phenomena. It assumes that any differences observed in the data are due to random chance and not the independent variable being tested. This hypothesis is often used as a baseline for comparison to the alternative hypothesis, which suggests that there is, in fact, a significant difference between the groups being tested.

The _____ Hypothesis Is That There Is No Difference in Group