Solve the given problem. A university counselor believes that hypnosis is more effective than the standard treatment given to the students who have high test anxiety. To test his belief, he randomly divides 22 students with high test anxiety into two groups. One of the groups receives the hypnosis treatment, and the other group receives the hypnosis treatment, and the other group receives the standard treatment. When the treatments are concluded, each student is given a test anxiety questionnaire. High scores on the questionnaire indicate high anxiety. The following are the results: Hypnosis Treatment 20 21 33 40 24 43 48 31 22 22 44 30 Standard Treatment 42 35 30 53 57 26 37 30 51 62 59 a) What is the alternative hypothesis? Assume there is sufficient basis for a directional hypothesis. b) What is the null hypothesis? c) Using the Mann-Whitney U Test and a = 0.051 tail, what do you conclude?
Solve the given problem. A university counselor believes that hypnosis is more effective than the standard treatment given to the students who have high test anxiety. To test his belief, he randomly divides 22 students with high test anxiety into two groups. One of the groups receives the hypnosis treatment, and the other group receives the hypnosis treatment, and the other group receives the standard treatment. When the treatments are concluded, each student is given a test anxiety questionnaire. High scores on the questionnaire indicate high anxiety. The following are the results: Hypnosis Treatment 20 21 33 40 24 43 48 31 22 22 44 30 Standard Treatment 42 35 30 53 57 26 37 30 51 62 59 a) What is the alternative hypothesis? Assume there is sufficient basis for a directional hypothesis. b) What is the null hypothesis? c) Using the Mann-Whitney U Test and a = 0.051 tail, what do you conclude?
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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Transcribed Image Text:Solve the given problem.
A university counselor believes that hypnosis is more effective than the standard treatment given
to the students who have high test anxiety. To test his belief, he randomly divides 22 students with
high test anxiety into two groups. One of the groups receives the hypnosis treatment, and the other
group receives the hypnosis treatment, and the other group receives the standard treatment. When
the treatments are concluded, each student is given a test anxiety questionnaire. High scores on the
questionnaire indicate high anxiety. The following are the results:
Hypnosis
Treatment
20
21
33
40
24
43
48
31
22
22
44
30
Standard
Treatment
42
35
30
53
57
26
37
30
51
62
59
a) What is the alternative hypothesis? Assume there is sufficient basis for a directional hypothesis.
b) What is the null hypothesis?
c) Using the Mann-Whitney U Test and a = 0.051 tail, what do you conclude?
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