Two friends were curious if it was faster to use the drive-thru or order at the counter at their favorite fast food restaurant. For 5 different visits, one of them ordered at the counter while the other used the drive- thru (determined by a coin toss). Each person ordered the same meal at every visit. Here are the times (in minutes) it took them to get their orders: 5 8 10 7 7 Drive-thru 3 10 7 7 8 Counter They want to test if these results suggest a significant difference in the average time between ordering at the counter and ordering in the drive-thru. Assume that the necessary conditions for inference were met. Which of these is the most appropriate test and alternative hypothesis? Paired t test with Ha: Hdifference does not equal 0 Two-sample t test with Ha: Hcounter does not equal Hdrive-thru Two-sample t test with Ha: Hcounter > Hdrive-thru O Paired t test with Ha: Hdifference > 0 Two-sample t test with Ha: Hcounter < Hdrive-thru

Two friends were curious if it was faster to use the drive-thru or order at the counter at their favorite fast food restaurant. For 5 different visits, one of them ordered at the counter while the other used the drive- thru (determined by a coin toss). Each person ordered the same meal at every visit. Here are the times (in minutes) it took them to get their orders: 5 8 10 7 7 Drive-thru 3 10 7 7 8 Counter They want to test if these results suggest a significant difference in the average time between ordering at the counter and ordering in the drive-thru. Assume that the necessary conditions for inference were met. Which of these is the most appropriate test and alternative hypothesis? Paired t test with Ha: Hdifference does not equal 0 Two-sample t test with Ha: Hcounter does not equal Hdrive-thru Two-sample t test with Ha: Hcounter > Hdrive-thru O Paired t test with Ha: Hdifference > 0 Two-sample t test with Ha: Hcounter < Hdrive-thru

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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Question

Two friends were curious if it was faster to use the drive-thru or order at the counter at their favorite fast
food restaurant. For 5 different visits, one of them ordered at the counter while the other used the drive-
thru (determined by a coin toss). Each person ordered the same meal at every visit. Here are the times (in
minutes) it took them to get their orders:
Counter
5 8 10 7 7
Drive-thru 3 10 7 7 8
They want to test if these results suggest a significant difference in the average time between ordering at
the counter and ordering in the drive-thru. Assume that the necessary conditions for inference were met.
Which of these is the most appropriate test and alternative hypothesis?
Paired t test with Ha : Hdifference
does not equal 0
Two-sample t test with Ha : Hcounter
does not equal Hdrive-thru
Two-sample t test with Ha: Hcounter
> Hdrive-thru
Paired t test with Ha : Hdifference
> 0
Two-sample t test with Ha : Hcounter
< Hdrive-thru

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