This paper of BA 215 Week 6 Assignment comprehends:
Question 1:Confidence Interval Formula for μ is as follows:X – zscoreα/2 * s/√n μ X + zscoreα/2 * s/√n where:X = sample mean, s = sample standard deviation, zscore = Normal distribution Z-score from a probability where α = (1 – Confidence Percentage)/2Question 2An experiment was 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
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