Mathematics, 18.01.2020 06:31, samanthasheets8362

Aresearcher carries out a randomized comparative experiment with young rats to investigate the effects of a toxic compound in food. she feeds the control group a normal diet. the experimental group receives a diet with 2500 parts per million of the toxic material. after 8 weeks, the mean weight gain is 335 grams for the control group and 289 for the experimental group.
what is true regarding the two numbers "335" and "289"?

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Aresearcher carries out a randomized comparative experiment with young rats to investigate the effec...