Given the information provided, need help testing for evidence of faster swim times for swimmers who took a caffeine pill. Use a level of significance of 0.05. State null and alternative hypotheses, give the P-value and state your conclusion. Thank you :)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Given the information provided, need help testing for evidence of faster swim times for swimmers who took a caffeine pill. Use a level of significance of 0.05. State null and alternative hypotheses, give the P-value and state your conclusion. Thank you :)

The following data set shows the results of a completely randomised experiment similar to that
which you designed in Question 1b.
Volunteer
Caffeine (C) or
Placebo (P)
Swim time
(mins, 1km)
Volunteer
Caffeine (C) or
Placebo (P)
Swim time
(mins, 1km)
1
C
11
2
22.8 23.5
C
P
12
P
3
P
13
22.8 21.6
P
4
22.6 19.9 16.8
C
14
с
17.4
5
P
19.6
15
C
23.9
6
C
17.8
16
P
22.0
7
P
21.4
17
с
22.0
8
P
17.1
18
с
21.1
9
P
22.4
19
C
20.3
10
C
21.7
20
P
20.7
Transcribed Image Text:The following data set shows the results of a completely randomised experiment similar to that which you designed in Question 1b. Volunteer Caffeine (C) or Placebo (P) Swim time (mins, 1km) Volunteer Caffeine (C) or Placebo (P) Swim time (mins, 1km) 1 C 11 2 22.8 23.5 C P 12 P 3 P 13 22.8 21.6 P 4 22.6 19.9 16.8 C 14 с 17.4 5 P 19.6 15 C 23.9 6 C 17.8 16 P 22.0 7 P 21.4 17 с 22.0 8 P 17.1 18 с 21.1 9 P 22.4 19 C 20.3 10 C 21.7 20 P 20.7
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