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You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 71 dates, the mean record high daily temperature in a certain city has a mean of 83.69°F. Assume the population standard deviation is 14.81°F. The 90% confidence interval is (Round to two decimal places as needed.)

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 71 dates, the mean record high daily temperature in a certain city has a mean of 83.69°F. Assume the population standard deviation is 14.81°F. The 90% confidence interval is (Round to two decimal places as needed.)

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 are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 71 dates, the mean record high daily temperature in a certain city has a mean of 83.69°F. Assume the population standard deviation is 14.81°F. The 90% confidence interval is ( (Round to two decimal places as needed.) View an example 2 W S X mand 3 Get more help - E חי D C $ 4 20 F G Search or type URL % 5 V T G A 6 MacBook Pro B Y H & 7 N U +00 8 J - M ( 9 K < 3 O < I مو O L P > Clear all - .... { + [ I command option = ? | Check answer .: 1 delete re
Transcribed Image Text:You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 71 dates, the mean record high daily temperature in a certain city has a mean of 83.69°F. Assume the population standard deviation is 14.81°F. The 90% confidence interval is ( (Round to two decimal places as needed.) View an example 2 W S X mand 3 Get more help - E חי D C $ 4 20 F G Search or type URL % 5 V T G A 6 MacBook Pro B Y H & 7 N U +00 8 J - M ( 9 K < 3 O < I مو O L P > Clear all - .... { + [ I command option = ? | Check answer .: 1 delete re
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