MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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I asked 20 students whether they drink coffee before their academic studies and if they do, do they believe it helps with their academic studies? (I posted a picture of my results). 

Can you perform a test of association hypothesis?

p-value-

critical value-  

 

 

1 Do you drink coffee or caffeine before schoolwork? Number of students
2 Yes
3 No
4 Sum
5
6 If yes, do you believe it helps with your grades?
7 Yes
8 No
9 Sum
10
11
Number of students
10
10
20
4
6
10
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Transcribed Image Text:1 Do you drink coffee or caffeine before schoolwork? Number of students 2 Yes 3 No 4 Sum 5 6 If yes, do you believe it helps with your grades? 7 Yes 8 No 9 Sum 10 11 Number of students 10 10 20 4 6 10
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