simple random sample size in is drawn. The sample mean exporter is found to be 1

Question

simple random sample size in is drawn. The sample mean exporter is found to be 19.3 in the sample standard deviation ass is found to be 4.3 omework: 9.2 Interactive Assignment ntroduction Objective 1 Objective 2 Objective 3 Objective 4 Objective 5 Objective 4: Construct and Interpret a Confidence Interval for a Population Mearn 9.2 Estimating a Population Mean 0 of 1 Point 9.2.21 A simple random sample of size n is drawn. The sample mean, i, is found to be 19.3, and the sample standard deviation, s, is found to be 4.3 Click the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about if the sample size, n, is 35 Lower bound D Upper bound: (Use ascending order Round to two decimal places as needed ) . Enter your answer in the edit felds and then click Check Answer Type here to search 10

Explanation / Answer

Use a 1 sample t-test in Minitab, without hypothesis test. The result will be:

Therefore, when checked from the table in the link given in the question, 95% CI should be: 17.823, 20.777

N Mean StDev SE Mean 95% CI for 35 19.300 4.300 0.727 (17.823, 20.777)

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