Question: State which type of parameter is to be estimated, and the correct method for the following. Do not solve. Part: 0 / 3 Part 1

State which type of parameter is to be estimated, and the correct method for the following. Do not solve. Part: 0 / 3 Part 1 of 3 (a) A simple random sample of size 13 has mean x = 3.79 and standard deviation s = 1.51 . The population is approximately normally distributed. Construct a 95 % confidence interval for the population mean. The parameter is the population mean The correct method to find the confidence interval is the z method. Part: 1 / 3 Part 2 of 3 (b) A simple random sample of size 14 has mean x = 3.7. The population standard deviation is o = 1.79 . The population is approximately normally distributed. Construct a 90% confidence interval for the population mean. The parameter is the population mean The correct method to find the confidence interval is the z method. Part: 2 / 3 Part 3 of 3 (c) A simple random sample of size 42 has mean x = 3.46 . The population standard deviation is o = 1.67 . Construct a 90 % confidence interval for the population mean. The parameter is the population mean X 5 The correct method to find the confidence interval is the t method

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