Psy 520 topic 2 exercises Study guides, Class notes & Summaries
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PSY-520 Topic 2 Exercises – Chapters 5 & 8 Jones-2018.
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PSY 520 Topic 7 Exercises Answers/ GCU PSY 520
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PSY 520 Topic 7 Exercises 19.9 Randomly selected records of 140 convicted criminals reveal that their crimes were committed on the following days of the week: (a) Using the .01 level of significance, test the null hypothesis that in the underlying population, crimes are equally likely to be committed on any day of the week. 1 Statistical Hypothesis: H0 = Psun = Pmon = Ptues = Pwed = Pthurs = Pfri = Psat = 7 H1 : H0 is false Decision Rule: Reject H0 at the 0.01 level of significance = x2 > 16...
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PSY 520 - Topic 2 Exercises.
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PSY 520 - Topic 2 Exercises/PSY 520 - Topic 2 Exercises. 
Chapter 5, numbers 5.11, 5.13, 5.15, and 5.18 & Chapter 8, numbers 8.10, 8.14, 8.16, 8.19, and 
8.21
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PSY 520 Graduate Statistics Discussion Questions, Topic 2 Exercises, Topic 1 Exercises, Topic #6 Exercises, Module 7 Review: LATEST 2021
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PSY 520 Graduate Statistics Discussion Questions, Topic 2 Exercises, Topic 1 Exercises, Topic #6 Exercises, Module 7 Review: LATEST 2021
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PSY 520 - Topic 2 Exercises.
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PSY 520 - Topic 2 Exercises. Chapter 5, numbers 5.11, 5.13, 5.15, and 5.18 & Chapter 8, numbers 8.10, 8.14, 8.16, 8.19, and 8.21
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PSY 520 Topic 7 Exercises Answers/ GCU PSY 520
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PSY 520 Topic 7 Exercises 
19.9	Randomly selected records of 140 convicted criminals reveal that their crimes were committed on the following days of the week: 
(a)	Using the .01 level of significance, test the null hypothesis that in the underlying population, crimes are equally likely to be committed on any day of the week. 
1 
Statistical Hypothesis: H0 = Psun = Pmon = Ptues = Pwed = Pthurs = Pfri = Psat = 7 
 
H1 : H0 is false 
 
Decision Rule: Reject H0 at the 0.01 level of significance = ...
PSY-520 Topic 2 Exercises – Chapters 5 & 8. SOLUTIONS SHOWN STEP BY STEP
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PSY 520 TOPIC 3 EXERCISE, CHAPTER 7 AND 8 ANSWERS
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PSY 520 Topic 3 Exercise Chapter 7 and 8 
 
6.7 (a) Estimate whether the following pairs of scores for X and Y reflect a positive relationship, a negative relationship, or no relationship. Hint: Note any tendency for pairs of X and Y scores to occupy similar or dissimilar relative locations. 
 
(b) Construct a scatterplot for X and Y . Verify that the scatterplot does not describe a pronounced curvilinear trend. 
 
(c) Calculate r using the computation formula (6.1). 
 
6.10 On the basis of an ...
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PSY 520 TOPIC 3 EXERCISE, CHAPTER 7 AND 8 ANSWERS
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PSY 520 Topic 3 Exercise Chapter 7 and 8 6.7 (a) Estimate whether the following pairs of scores for X and Y reflect a positive relationship, a negative relationship, or no relationship. Hint: Note any tendency for pairs of X and Y scores to occupy similar or dissimilar relative locations. (b) Construct a scatterplot for X and Y . Verify that the scatterplot does not describe a pronounced curvilinear trend. (c) Calculate r using the computation formula (6.1). 6.10 On the basis of an extensive su...
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PSY-520 Topic 2 Exercises – Chapters 5 & 8 with Answers
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PSY-520 Topic 2 Exercises – Chapters 5 & 8 with Answers 
 
 
5.11 Scores on the Wechsler Adult Intelligence Scale (WAIS) approximate a normal curve with a mean of 100 and a standard deviation on 15. What proportion of the IQ scores are 
a. above Kristen’s 125? z= 125-100/15= 1.67 using the z table on page 536 = 0.0475 
 
b. below 82? z=82-100/15 = -1.2 
 
C’=0.1151 
 
c. Within 9 points of the mean? 100 +9=109 109-100/15=0.6 
100-9=91 
 
91-100/15=-0.6 
 
B+B’ 
 
.2257+.2257 
 
=0.4514...
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