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Mathematics 13 Online
aharris55:

Researchers compare the body composition of cattle feeding on a grain diet with that of cattle feeding on a grass diet. What is this method of data classified as? A. Experiment B. Observational Study

Mercury:

old question but will respond so this can be closed the question is a little vague, but because it doesn't specifically mention the experimenters deliberately creating two groups of cows and controlling their diet, I would lean more towards observational study. it seems more like the experimenters are simply observing two groups that already exist.

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