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You have taken a random sample of sizen & 95of a normal population that has a population mean ofu=140and a population standard deviation ofo = 23. Your sample, which is Sample 1 in the following table, has a mean of x = 141.3. (In the table, Sample 1 is indicated by "M1", Sample 2 by "M2", and so on.) (to) Based on Sample 1, plot the confidence intervals of 80% and 95%for the population mean. Use1,282as the critical value for the confidence interval of 80%and use1960 as the critical value for the confidence interval of 95%. (If necessary, you can refer to a list of formulas.) • Write the upper limit and the lower limit on the graphs to indicate each confidence interval. Write the answers with one decimal place. . For the points (and), write the population mean, μ = 140. 128.0 80% confidence interval 138.3 140.0 144.3 X +H 150.0 H 128.0 95% confidence interval. 136.7 140.0 X 145.9 150.0

You have taken a random sample of sizen & 95of a normal population that has a population mean ofu=140and a population standard deviation ofo = 23. Your sample, which is Sample 1 in the following table, has a mean of x = 141.3. (In the table, Sample 1 is indicated by "M1", Sample 2 by "M2", and so on.) (to) Based on Sample 1, plot the confidence intervals of 80% and 95%for the population mean. Use1,282as the critical value for the confidence interval of 80%and use1960 as the critical value for the confidence interval of 95%. (If necessary, you can refer to a list of formulas.) • Write the upper limit and the lower limit on the graphs to indicate each confidence interval. Write the answers with one decimal place. . For the points (and), write the population mean, μ = 140. 128.0 80% confidence interval 138.3 140.0 144.3 X +H 150.0 H 128.0 95% confidence interval. 136.7 140.0 X 145.9 150.0

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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You have taken a random sample of sizen & 95of a normal population that has a population mean ofμ = 140and a population standard deviation ofo = 23. Your sample, which is Sample 1 in the following table, has a mean ofx = 141.3. (In the table, Sample 1 is indicated by "M1", Sample 2 by "M2", and so on.) (to) Based on Sample 1, plot the confidence intervals of80%and95%for the population mean. Use1,282as the critical value for the confidence interval of 80%and use1960 as the critical value for the confidence interval of95%. (If necessary, you can refer to a list of formulas .) • Write the upper limit and the lower limit on the graphs to indicate each confidence interval. Write the answers with one decimal place. • For the points ( ♦and ◆), write the population mean,μ = 140. 128.0 80% confidence interval 138.3 140.0 144.3 X 150.0 128.0 95% confidence interval 136.7 140.0 X 145.9 S 150.0
Transcribed Image Text:You have taken a random sample of sizen & 95of a normal population that has a population mean ofμ = 140and a population standard deviation ofo = 23. Your sample, which is Sample 1 in the following table, has a mean ofx = 141.3. (In the table, Sample 1 is indicated by "M1", Sample 2 by "M2", and so on.) (to) Based on Sample 1, plot the confidence intervals of80%and95%for the population mean. Use1,282as the critical value for the confidence interval of 80%and use1960 as the critical value for the confidence interval of95%. (If necessary, you can refer to a list of formulas .) • Write the upper limit and the lower limit on the graphs to indicate each confidence interval. Write the answers with one decimal place. • For the points ( ♦and ◆), write the population mean,μ = 140. 128.0 80% confidence interval 138.3 140.0 144.3 X 150.0 128.0 95% confidence interval 136.7 140.0 X 145.9 S 150.0
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