Mathematics, 24.03.2020 18:11 gymer630

Determine whether the study is an observational study or an experiment.

A poll is conducted in which professional musicians are asked their ages.

a. Observational study
b. Experiment

The personnel director at a large company would like to determine whether the company cafeteria is widely used by employees. She calls each employee and asks them whether they usually bring their own lunch, eat at the company cafeteria, or go out for lunch.

a. Observational study
b. Experiment

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Determine whether the study is an observational study or an experiment.

A poll is condu...