The Personnel Director at a Large Company Studied the Eating

Multiple Choice

The personnel director at a large company studied the eating habits of the company's employees. The director noted whether employees brought their own lunches to work, ate at the company cafeteria, or went out to lunch. The goal of the study was to improve the food service at the company cafeteria. This type of data collection would best be considered as

A) a quota sample.
B) a random sample.
C) a designed experiment.
D) an observational study.