Renata runs a study looking at the drinking habits of undergraduates,and suspects the results would show that the amount a student drank will be related to his or her grade-point average (GPA).Instead,she finds that drinking habits (amount of drinks per week)are not related to GPA.This means that ____.
A) Renata's hypothesis is true
B) there is a negative correlation between alcohol consumption and GPA
C) there is a positive correlation between alcohol consumption and GPA
D) the null hypothesis is supported

Question

Quizplus · Accepted Answer

The null hypothesis assumes that there is no relationship between the variables being studied. Since Renata found no significant relationship between drinking habits and GPA, the null hypothesis is supported. Choice A, B, and C are all incorrect since they all suggest a relationship between drinking habits and GPA, while Renata's study found no such relationship.

Renata Runs a Study Looking at the Drinking Habits of Undergraduates,and