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3. Based on information from the U.S. Census Bureau, the mean travel time to work (mins), for all workers 16 years and older was 25.3 minutes. A large company with offices in several states randomly sampled 100 of its workers to ascertain their commuting times. The sample mean was 23.9 minutes, and the population standard deviation is 6.39 minutes. At the level of significance, can it be concluded that the mean commuting time is less for this particular company? H.: H :

3. Based on information from the U.S. Census Bureau, the mean travel time to work (mins), for all workers 16 years and older was 25.3 minutes. A large company with offices in several states randomly sampled 100 of its workers to ascertain their commuting times. The sample mean was 23.9 minutes, and the population standard deviation is 6.39 minutes. At the level of significance, can it be concluded that the mean commuting time is less for this particular company? H.: H :

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
Section10.4: Distributions Of Data
Problem 19PFA
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3. Based on information from the U.S. Census Bureau, the mean travel time to work (mins), for all workers 16 years and older was 25.3 minutes. A large company with offices in several states randomly sampled 100 of its workers to ascertain their commuting times. The sample mean was 23.9 minutes, and the population standard deviation is 6.39 minutes. At the level of significance, can it be concluded that the mean commuting time is less for this particular company? H. : H :
Transcribed Image Text:3. Based on information from the U.S. Census Bureau, the mean travel time to work (mins), for all workers 16 years and older was 25.3 minutes. A large company with offices in several states randomly sampled 100 of its workers to ascertain their commuting times. The sample mean was 23.9 minutes, and the population standard deviation is 6.39 minutes. At the level of significance, can it be concluded that the mean commuting time is less for this particular company? H. : H :
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