Question: A simple random sample of 50 items resulted in a sample mean of 80 . The population standard deviation is =20. a. Compute the 95%

A simple random sample of 50 items resulted in a

A simple random sample of 50 items resulted in a sample mean of 80 . The population standard deviation is =20. a. Compute the 95% confidence interval for the population mean. Round your answers to one decimal place

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