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A simple random sample is drawn from a population that is normally distributed. The sample mean is found to be 107 and the sample standard deviation is 12. A. Compute the 96% confidence interval for the population mean if the sample size is 23. Round to 4 decimal places t-critical value= Standard error of the mean = Margin of error= Round to 4 decimal places Standard error of the mean = Round to 2 decimal places 96% confidence interval: B. Compute the 96% confidence interval for the population mean u if the sample size is 7. t-critical value= Round to 4 decimal places Round to 2 decimal places Round to 4 decimal places

A simple random sample is drawn from a population that is normally distributed. The sample mean is found to be 107 and the sample standard deviation is 12. A. Compute the 96% confidence interval for the population mean if the sample size is 23. Round to 4 decimal places t-critical value= Standard error of the mean = Margin of error= Round to 4 decimal places Standard error of the mean = Round to 2 decimal places 96% confidence interval: B. Compute the 96% confidence interval for the population mean u if the sample size is 7. t-critical value= Round to 4 decimal places Round to 2 decimal places Round to 4 decimal places

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Margin of error = 96% confidence interval: 4. C. Compare your answers to part A and part B. What can you conclude? We can conclude that if we decrease the sample size, the margin of error D. Compute the 91% confidence interval for the population mean if the sample size is 23. t-critical value= Round to 4 decimal places Standard error of the mean = Round to 2 decimal places Margin of error= Round to 2 decimal places Round to 4 decimal places + ) Round to 2 decimal places 91% confidence interval: E. Compare your answers to part A and part C. What can you We can conclude that if we decrease the level of confidence, the margin of error conclude? A O Round to 2 decimal places
Transcribed Image Text:Margin of error = 96% confidence interval: 4. C. Compare your answers to part A and part B. What can you conclude? We can conclude that if we decrease the sample size, the margin of error D. Compute the 91% confidence interval for the population mean if the sample size is 23. t-critical value= Round to 4 decimal places Standard error of the mean = Round to 2 decimal places Margin of error= Round to 2 decimal places Round to 4 decimal places + ) Round to 2 decimal places 91% confidence interval: E. Compare your answers to part A and part C. What can you We can conclude that if we decrease the level of confidence, the margin of error conclude? A O Round to 2 decimal places
A simple random sample is drawn from a population that is normally distributed. The sample mean is found to be 107 and the sample standard deviation is 12. A. Compute the 96% confidence interval for the population mean if the sample size is 23. "4 t-critical value - Round to 4 decimal places Standard error of the mean = t-critical value= Round to 4 decimal places Margin of error = 96% confidence interval: B. Compute the 96% confidence interval for the population mean if the sample size is 7. Round to 4 decimal places Standard error of the mean = Round to 2 decimal places ) Round to 2 decimal places 1. Round to 4 decimal places
Transcribed Image Text:A simple random sample is drawn from a population that is normally distributed. The sample mean is found to be 107 and the sample standard deviation is 12. A. Compute the 96% confidence interval for the population mean if the sample size is 23. "4 t-critical value - Round to 4 decimal places Standard error of the mean = t-critical value= Round to 4 decimal places Margin of error = 96% confidence interval: B. Compute the 96% confidence interval for the population mean if the sample size is 7. Round to 4 decimal places Standard error of the mean = Round to 2 decimal places ) Round to 2 decimal places 1. Round to 4 decimal places
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