help me understand this statis

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help me understand this statistics problem: An animal nutritionist has developed a new banana cereal supplement for chimpanzees. In order to determine the effect of the supplement, she randomly selects 10 chimpanzees and gives them the new supplement. For a second randomly selected group of 10 chimpanzees, she keeps them on their normal diets. After 3 months, she collects the weight gained by the chimpanzees. The data are given below. Using an alpha level of .05, can the nutritionist assume the new supplement increases the weight of chimpanzees?

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(Top Tutor) Daniel C.
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