2. The scores for 15 persons on the Stressful Life Events Inventory (SLEI) and the scores for 15 other persons on the Major Stressors Questionnaire (MSQ) are presented in the Assessment 3 Data Excel file in the Stress Scores tab. For both surveys, higher scores mean that the person has experienced more stressors recently, suggesting a greater risk for stress-related symptoms such as acute anxiety attacks. Open the Assessment 3 Data Excel file and look over the SLEI and MSQ raw scores and z-scores in the Stress Scores tab. A. Please take a look at Participant 8 and 23 raw scores and z-scores. Who is at the greatest risk for acute anxiety attacks, Participant 8 or 23? Please make sure to briefly explain your answer based on the z- scores. B. What is the probability that someone will score higher than 40 on the SLEI? Is this unusual? Why or why not? What is the probability that someone will score higher than 125 on the MSQ? Is this unusual? Why or why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B) C. What is the probability that someone will score lower than a 21 on the SLEI? Is this unusual? Why or why not? What is the probability that someone will score lower than a 110 on the MSQ? Is this unusual? Why on why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B) Stressful Life Events Inventory Participant SLEI z Scores 1 23456 5 7 8 9 10 11 12 13 14 15 28 35 28 38 40 40 39 27 40 37 40 38 39 38 21 -1.40 -0.04 -1.40 0.54 0.93 0.93 0.74 -1.59 0.93 0.35 0.93 0.54 0.74 0.54 -2.76 35.2 mean 5.15 st.dev. We will assume these are population data. Major Stressors Questionnaire Participant 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 MSQ z Scores -0.31 -1.01 -1.48 0.62 0.39 2.03 -1.25 113 -0.78 114 -0.55 117 116 115 115 112 110 119 118 125 111 122 120 118 0.16 -0.08 -0.31 1.33 0.86 0.39 116.3333 mean 4.27 st.dev.
2. The scores for 15 persons on the Stressful Life Events Inventory (SLEI) and the scores for 15 other persons on the Major Stressors Questionnaire (MSQ) are presented in the Assessment 3 Data Excel file in the Stress Scores tab. For both surveys, higher scores mean that the person has experienced more stressors recently, suggesting a greater risk for stress-related symptoms such as acute anxiety attacks. Open the Assessment 3 Data Excel file and look over the SLEI and MSQ raw scores and z-scores in the Stress Scores tab. A. Please take a look at Participant 8 and 23 raw scores and z-scores. Who is at the greatest risk for acute anxiety attacks, Participant 8 or 23? Please make sure to briefly explain your answer based on the z- scores. B. What is the probability that someone will score higher than 40 on the SLEI? Is this unusual? Why or why not? What is the probability that someone will score higher than 125 on the MSQ? Is this unusual? Why or why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B) C. What is the probability that someone will score lower than a 21 on the SLEI? Is this unusual? Why or why not? What is the probability that someone will score lower than a 110 on the MSQ? Is this unusual? Why on why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B) Stressful Life Events Inventory Participant SLEI z Scores 1 23456 5 7 8 9 10 11 12 13 14 15 28 35 28 38 40 40 39 27 40 37 40 38 39 38 21 -1.40 -0.04 -1.40 0.54 0.93 0.93 0.74 -1.59 0.93 0.35 0.93 0.54 0.74 0.54 -2.76 35.2 mean 5.15 st.dev. We will assume these are population data. Major Stressors Questionnaire Participant 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 MSQ z Scores -0.31 -1.01 -1.48 0.62 0.39 2.03 -1.25 113 -0.78 114 -0.55 117 116 115 115 112 110 119 118 125 111 122 120 118 0.16 -0.08 -0.31 1.33 0.86 0.39 116.3333 mean 4.27 st.dev.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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Transcribed Image Text:2. The scores for 15 persons on the Stressful Life Events Inventory (SLEI) and the scores for 15 other persons
on the Major Stressors Questionnaire (MSQ) are presented in the Assessment 3 Data Excel file in the Stress
Scores tab. For both surveys, higher scores mean that the person has experienced more stressors recently,
suggesting a greater risk for stress-related symptoms such as acute anxiety attacks. Open the Assessment 3
Data Excel file and look over the SLEI and MSQ raw scores and z-scores in the Stress Scores tab.
A. Please take a look at Participant 8 and 23 raw scores and z-scores. Who is at the greatest risk for acute
anxiety attacks, Participant 8 or 23? Please make sure to briefly explain your answer based on the z-
scores.
B. What is the probability that someone will score higher than 40 on the SLEI? Is this unusual? Why or why
not? What is the probability that someone will score higher than 125 on the MSQ? Is this unusual? Why or
why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B)
C. What is the probability that someone will score lower than a 21 on the SLEI? Is this unusual? Why or why
not? What is the probability that someone will score lower than a 110 on the MSQ? Is this unusual? Why or
why not? (Please make sure to look up probabilities in the Unit Normal Table in Appendix B)
Stressful Life Events Inventory
Participant SLEI z Scores
1
-1.40
2
-0.04
3
28 -1.40
4
38
0.54
5
40
0.93
6
40
0.93
7
39
0.74
8
27
-1.59
9
40
0.93
37
0.35
40
0.93
38
0.54
39
0.74
38
0.54
21
-2.76
35.2 mean
5.15 st.dev.
10
11
12
13
14
15
28
35
We will assume these are population data.
Major Stressors Questionnaire
Participant
MSQ z Scores
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
115
112
-0.31
-1.01
-1.48
0.62
0.39
2.03
-1.25
-0.78
-0.55
117
0.16
116 -0.08
115
-0.31
122
1.33
120
0.86
118
0.39
110
119
118
125
111
113
114
116.3333 mean
4.27 st.dev.
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