Biology, 07.10.2019 19:00 mlandon922

Ascientist randomly divided a group of 100 lab rats into two groups of 50. one group was fed regular rat chow while the other was fed the same amount of rat chow with added ddt. both groups were housed in the same room with the same environmental conditions. at the end of the experiment, rats were weighed and the mean difference calculated.

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Ascientist randomly divided a group of 100 lab rats into two groups of 50. one group was fed regular...

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