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Kitty [74]
3 years ago
15

A researcher is interested in understanding whether the number of people in a room affects how much a person eats. During the ex

periment, the researcher varies the number of people in the room and records how much each participant eats. This is an example of:
Mathematics
1 answer:
alex41 [277]3 years ago
4 0

Answer:

quantitative manipulation of the independent variable

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