Based on the PET scan research by Drevets and colleagues (2008), _____, which may be implicated in mood disorders, is 40% to 50% smaller in people with major depressive disorder

What kind of statistics allow researchers to make inferences about the likelihood that their results occurred merely by chance?

a. descriptive c. simple b. reliable d. inferential

The sampling distribution of the mean varies with the size of the sample

Indicate whether the statement is true or false