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AP® Statistics

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Moderate

Stratified

APSTAT-YLYLPO

Suppose a worker in the school cafeteria wants to know if the students feel the cafeteria is offering enough healthy items on the daily menu.

What could be a possible variable to stratify for the purposes of this study?

A

Type of food.

B

Time of day students eat lunch.

C

Gender of respondents.

D

Their homeroom teacher.

E

The number of siblings the students have.