3. A study examined the effect of protein consumption on weight gain in rats. Investigators obtained 61 female rats and randomly assigned 30 of them to a lowprotein diet and the other 31 to a high-protein diet. After 60 days, the weight gained by each rat was recorded (in grams). Researchers want to know if the mean weight gain for the low-protein diet was different than the high protein diet. a. State the hypotheses to be tested. b. The test resulted in a t-value of 1.84 with 60 degrees of freedom. Compute the P-value

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