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Two men, A and B, who usually commute to work together decide to conduct an experiment to see whether one route is faster than the other. The men feel that their driving habits are approximately the same, so each morning for two weeks one driver is assigned to route I and the other to route II. The times, recorded to the nearest minute, are shown in the following table. Using this data, find the 98 % confidence interval for the true mean difference between the average travel time for route I and the average travel time for route II. Let d = (route I travel time)-(route Il travel time). Assume that the populations of travel times are normally distributed for both routes. Day Route I Route II M 34 35 Tu W Th 31 28 28 Tu W Th F M 24 31 28 27 31 26 28 29 24 33 34 29 Step 4 of 4: Construct the 98 % confidence interval. Round your answers to one decimal place. F 24 32 25 Copy Data

Two men, A and B, who usually commute to work together decide to conduct an experiment to see whether one route is faster than the other. The men feel that their driving habits are approximately the same, so each morning for two weeks one driver is assigned to route I and the other to route II. The times, recorded to the nearest minute, are shown in the following table. Using this data, find the 98 % confidence interval for the true mean difference between the average travel time for route I and the average travel time for route II. Let d = (route I travel time)-(route Il travel time). Assume that the populations of travel times are normally distributed for both routes. Day Route I Route II M 34 35 Tu W Th 31 28 28 Tu W Th F M 24 31 28 27 31 26 28 29 24 33 34 29 Step 4 of 4: Construct the 98 % confidence interval. Round your answers to one decimal place. F 24 32 25 Copy Data

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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The mean of the paired differences d. Critical value. Standard deviation. Lower and upper endpoint. Thank you
Two men, A and B, who usually commute to work together decide to conduct an experiment to see whether one route is faster than the other. The men feel that their driving habits are approximately the same, so each morning for two weeks one driver is assigned to route I and the other to route II. The times, recorded to the nearest minute, are shown in the following table. Using this data, find the 98 % confidence interval for the true mean difference between the average travel time for route I and the average travel time for route II. Let d = (route I travel time)-(route Il travel time). Assume that the populations of travel times are normally distributed for both routes. Tu W 34 24 31 Route II 35 26 28 29 24 33 34 29 Day Route I M Th F M Tu W Th F 28 27 31 31 28 28 24 32 25 Step 4 of 4: Construct the 98 % confidence interval. Round your answers to one decimal place. Copy Data
Transcribed Image Text:Two men, A and B, who usually commute to work together decide to conduct an experiment to see whether one route is faster than the other. The men feel that their driving habits are approximately the same, so each morning for two weeks one driver is assigned to route I and the other to route II. The times, recorded to the nearest minute, are shown in the following table. Using this data, find the 98 % confidence interval for the true mean difference between the average travel time for route I and the average travel time for route II. Let d = (route I travel time)-(route Il travel time). Assume that the populations of travel times are normally distributed for both routes. Tu W 34 24 31 Route II 35 26 28 29 24 33 34 29 Day Route I M Th F M Tu W Th F 28 27 31 31 28 28 24 32 25 Step 4 of 4: Construct the 98 % confidence interval. Round your answers to one decimal place. Copy Data
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