Mathematics, 24.04.2020 20:28 myanniespencer39
A simple random sample of 60 items resulted in a sample mean of 71. The population standard deviation is 18. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample of 120 items. Provide a 95% confidence interval for the population mean (to 2 decimals). ( , ) c. What is the effect of a larger sample size on the margin of error
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A simple random sample of 60 items resulted in a sample mean of 71. The population standard deviatio...
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