21a. Step 1: Which of the following is the correct set of hypotheses?A. H0: Cravings and relapse are not independent; and H1: Cravings and relapse are independent B. H0: Cravings and relapse are independent; and H1: Cravings and relapse are not independent C. H0: u1 = u2 = u3 = u4; and H1: At least one of the categories will be different than the others. 21b. Expected frequencies for: (round answers to 2 decimal places) Cravings-Yes/Relapse-Yes fe = _______ Cravings-Yes/Relapse-No fe = ________ 21c. Expected frequencies for: (round answers to 2 decimal place) Cravings-No/Relapse-Yes fe = _________ Cravings-No/Relapse-No fe = __________
21a. Step 1: Which of the following is the correct set of hypotheses?A. H0: Cravings and relapse are not independent; and H1: Cravings and relapse are independent B. H0: Cravings and relapse are independent; and H1: Cravings and relapse are not independent C. H0: u1 = u2 = u3 = u4; and H1: At least one of the categories will be different than the others. 21b. Expected frequencies for: (round answers to 2 decimal places) Cravings-Yes/Relapse-Yes fe = _______ Cravings-Yes/Relapse-No fe = ________ 21c. Expected frequencies for: (round answers to 2 decimal place) Cravings-No/Relapse-Yes fe = _________ Cravings-No/Relapse-No fe = __________
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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21a. Step 1: Which of the following is the correct set of hypotheses?A. H0: Cravings and relapse are not independent; and H1: Cravings and relapse are independent
B. H0: Cravings and relapse are independent; and H1: Cravings and relapse are not independent
C. H0: u1 = u2 = u3 = u4; and H1: At least one of the categories will be different than the others.
21b. Expected frequencies for: (round answers to 2 decimal places)
Cravings-Yes/Relapse-Yes fe = _______
Cravings-Yes/Relapse-No fe = ________
21c. Expected frequencies for: (round answers to 2 decimal place)
Cravings-No/Relapse-Yes fe = _________
Cravings-No/Relapse-No fe = __________
Transcribed Image Text:A psychologist studying addiction tests whether cravings for cocaine and
relapse are independent or related. The following table lists the observed
frequencies in the small sample of people who used drugs. Test whether
cravings and relapse are related. [You are only calculating expected
frequencies.)
Relapse
Obs. Freq.
Yes
No
20
10
30
Yes
Cravings No
8
17
25
28
27
N= 55
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