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A survey of 50 young professionals found that they spent an average of $18.67 when dining out with a standard deviation of $12.06. Can you conclude statistically that the population mean is greater than $197? Use a 95% confidence interval. The 95% confidence interval is. As $19 is (Use ascending order. Round to four decimal places as needed.) of the confidence interval, we conclude that the population mean is greater than $19.

A survey of 50 young professionals found that they spent an average of $18.67 when dining out with a standard deviation of $12.06. Can you conclude statistically that the population mean is greater than $197? Use a 95% confidence interval. The 95% confidence interval is. As $19 is (Use ascending order. Round to four decimal places as needed.) of the confidence interval, we conclude that the population mean is greater than $19.

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 9PPS
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Use the accompanying Grade Point Averages data to find 85%, 90%, and 99% confidence intervals for the mean GPA. Click the icon to view the Grade Point Averages data. An 85% confidence interval for the mean GPA is (Use ascending order. Round to two decimal places as needed.) ***
Transcribed Image Text:Use the accompanying Grade Point Averages data to find 85%, 90%, and 99% confidence intervals for the mean GPA. Click the icon to view the Grade Point Averages data. An 85% confidence interval for the mean GPA is (Use ascending order. Round to two decimal places as needed.) ***
A survey of 50 young professionals found that they spent an average of $18.67 when dining out, with a standard deviation of $12.06. Can you conclude statistically that the population mean is greater than $197? Use a 95% confidence interval. The 95% confidence interval is. As $19 is (Use ascending order. Round to four decimal places as needed.) of the confidence interval, we conclude that the population mean is greater than $19.
Transcribed Image Text:A survey of 50 young professionals found that they spent an average of $18.67 when dining out, with a standard deviation of $12.06. Can you conclude statistically that the population mean is greater than $197? Use a 95% confidence interval. The 95% confidence interval is. As $19 is (Use ascending order. Round to four decimal places as needed.) of the confidence interval, we conclude that the population mean is greater than $19.
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