Chemistry, 30.08.2020 01:01 jaydenromero31

In a survey that asked about alcohol use in high school students, which of these is an important measure for controlling bias?
A. Developing a program to combat alcohol use
B. Getting a random sample from all grade levels
C. Asking the high school seniors
D. Asking students if they would like to participate
SEMA

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In a survey that asked about alcohol use in high school students, which of these is an important me...

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