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Effective Variables: Food Satisfaction

APSTAT-26YNTK

Suppose the superintendent of a large school district is interested in district-wide student satisfaction with the cafeteria food, grades K-$12$.

If the superintendent decided to make a stratified sample, what could be an effective variable to stratify on?

A

Favorite color.

B

Gender.

C

Alphabetically by last name.

D

Height.

E

Favorite sport.