Given the information provided, if the trial were to be repeated with the aim of halving the width of a 95% confidence interval for the reduction in swim time due to taking caffeine, how many people should be tested? Thank you :) VolunteerSwim time withplacebo (mins,1km)Swim time withcoffee (mins,1km)VolunteerSwim timewith placebo(mins, 1km)Swim timewith coffee(mins, 1km)1226.5 22.6 24.4311 1220.7 20.64 51324.924.9 22.1 23.2 23.5 24.7 20.914625.3 21.321.2 23.31516726.422.4 22.3 21.2 24.4 22.7 20.7 27.217819.5 19.5 26.523.3 23.4 25.3 21.9922.7 24.8 22.118101923.8 22.42022.722.4 22.0 21.5

Let us construct the confidence interval for the difference in swim time between placebo and coffee:…

Answered: Given the information provided, if the…

Given the information provided, if the trial were to be repeated with the aim of halving the width of a 95% confidence interval for the reductio

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

Given the information provided, if the trial were to be repeated with the aim of halving the width of a 95% confidence interval for the reduction in swim time due to taking caffeine, how many people should be tested? Thank you :)

Volunteer
Swim time with
placebo (mins,
1km)
Swim time with
coffee (mins,
1km)
Volunteer
Swim time
with placebo
(mins, 1km)
Swim time
with coffee
(mins, 1km)
1
2
26.5 22.6 24.4
3
11 12
20.7 20.6
4 5
13
24.9
24.9 22.1 23.2 23.5 24.7 20.9
14
6
25.3 21.3
21.2 23.3
15
16
7
26.4
22.4 22.3 21.2 24.4 22.7 20.7 27.2
17
8
19.5 19.5 26.5
23.3 23.4 25.3 21.9
9
22.7 24.8 22.1
18
10
19
23.8 22.4
20
22.7
22.4 22.0 21.5

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