Mathematics, 01.03.2021 22:30 germaine88

A simple random sample of 10 items resulted in a sample mean of 40 . The population standard deviation is 10. a. Compute the confidence interval for the population mean. Round your answers to one decimal place. ( , ) b. Assume that the same sample mean was obtained from a sample of items. Provide a confidence interval for the population mean. Round your answers to two decimal places. ( , ) c. What is the effect of a larger sample size on the interval estimate

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A simple random sample of 10 items resulted in a sample mean of 40 . The population standard deviati...