Mean difference in weight gain for pigs fed

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Reference no: EM1398809

An experiment ws designed to estimate the mean difference in weight gain for pigs fed ration A as compared with those fed ration B. Eight pairs of pigs were used. The pigs within each pair were littermates. The rations were assigned at random to the two animals within each pair. The gains (in pounds) after 45 days are shown below:

RationA   RationB
65             58
37             39
40             31
47 45
49             47
65 55
53 59
59             51

Assuming weight gain is normal, find the 95% confidence interval estimate for the mean of the differences μd where d= ration A - ration B.

Reference no: EM1398809

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