Confidence interval for the mean weight per white mouse
A study of 55 white mice showed that their average weight was 3.2 ounces. The standard deviation of population is 0.7 ounces. Which of the following is 80% confidence interval for the mean weight per white mouse?
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Draw 20 more samples and add 20 new x-bars to histogram in part b. Explain the distribution that seems to be developing. Use the empirical rule to test for normality. See the sampling distribution of sample means and the central limit theorem devel
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