Question: This is a statisitcs question 1. (ASWCC, Chapter 8 #3) A simple random sample of 60 items resulted in a sample mean of 80. The

This is a statisitcs question

1. (ASWCC, Chapter 8 #3) A simple random sample of 60 items resulted in a sample mean of 80. The population standard deviation is o = 15. a. Compute the 95% confidence interval for the population mean. b. Assume that the same sample mean was obtained from a sample of 120 times. Provide a 95% confidence interval for the population mean. c. What is the effect of a larger sample size on the interval estimate

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