Question: 4.5.2. Box (1950) also considered data on rats given Thyroxin and a control group of rats. The weight gains are given in Table 4.5. Give

4.5.2. Box (1950) also considered data on rats given Thyroxin and a control group of rats. The weight gains are given in Table 4.5. Give a 95% confidence interval for the difference in weight gains between the Thyroxin group and the control group. Give the P value for a test of whether the control group has weight gains different than the Thyroxin group.

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