From a sample of size 175, the sample mean is x bar=54.37 and sample standard deviation is s= 7.07.

a. Construct a 95% confidence interval for the population mean and show your work.

b. Explain how your work in part a would have been different if the sample size had been only 12 instead.

Subject | Mathematics |

Due By (Pacific Time) | 06/15/2014 12:00 am |

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