Question 1

In a normal distribution of scores,which of the following is true?

Accepted Answer

A)  About 5 percent of the scores are more than two standard deviations from the mean. 
B)  The mean score is always 0. 
C)  Most scores are located in the two "tails" at either end of the distribution. 
D)  The standard deviation indicates the arithmetic average score. 
A)  About 5 percent of the scores are more than two standard deviations from the mean. 
B)  The mean score is always 0. 
C)  Most scores are located in the two "tails" at either end of the distribution. 
D)  The standard deviation indicates the arithmetic average score.

Question 2

Richard Simmons wants to know whether his original weight-loss system (Simmons I)is as effective as his new weight-loss system (Simmons II).His results indicate that people on Simmons I lose an average of 28.5 pounds in six months and people on Simmons II lose an average of 30.1 pounds in six months.What type of statistics should Richard use to see if the Simmons II system is really better than the Simmons I system?

Accepted Answer

A)  inferential 
B)  descriptive 
C)  mean 
D)  mode 
A)  inferential 
B)  descriptive 
C)  mean 
D)  mode

Question 3

Crystal received her SAT score from her counselor.She scored two standard deviations above the mean.What does this indicate about <st2:givenname w:st="on">Crystal's score?

Accepted Answer

A)  It was higher than 97.5 percent of the other scores. 
B)  It was only higher than 84 percent of the other scores. 
C)  It was only higher than 68 percent of the other scores. 
D)  There is insufficient information to answer this question. 
A)  It was higher than 97.5 percent of the other scores. 
B)  It was only higher than 84 percent of the other scores. 
C)  It was only higher than 68 percent of the other scores. 
D)  There is insufficient information to answer this question.

Question 4

Batina is a conservative investor,much to the chagrin of her husband.He cannot believe she values stability in an investment over the historical rate of return.The standard deviations of the following returns of investment are given below.Which investment should Batina choose?

Accepted Answer

A)  1.23 
B)  0.98 
C)  2.21 
D)  1.91 
A)  1.23 
B)  0.98 
C)  2.21 
D)  1.91

Question 5

Consider the following data set: 2,2,3,3,3,4,4,5,5,92.If the last value (92)is removed from the data set,which statistical measure will change the most?

Accepted Answer

A)  only the mode 
B)  only the mean 
C)  the median 
D)  the mode and the mean 
A)  only the mode 
B)  only the mean 
C)  the median 
D)  the mode and the mean

In a normal distribution of scores,which of the following is true?

Crystal received her SAT score from her counselor.She scored two standard deviations above the mean.What does this indicate about <st2:givenname w:st="on">Crystal's score?

Batina is a conservative investor,much to the chagrin of her husband.He cannot believe she values stability in an investment over the historical rate of return.The standard deviations of the following returns of investment are given below.Which investment should Batina choose?

Consider the following data set: 2,2,3,3,3,4,4,5,5,92.If the last value (92)is removed from the data set,which statistical measure will change the most?

Introduction to the Science of Psychology

Research in Psychology

Biological Aspects of Psychology

Sensation and Perception

Learning

Memory

Thought and Language

Intelligence

Consciousness

Motivation and Emotion

Human Development

Health, stress, and Coping

Personality

Psychological Disorders

Treatment of Psychological Disorders

Social Psychology

Industrial and Organizational Psychology

Neuropsychology

Appendix A: Statistics in Psychological Research

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Exam 20: Appendix B: Behavioral Genetics.

In a normal distribution of scores,which of the following is true?

Crystal received her SAT score from her counselor.She scored two standard deviations above the mean.What does this indicate about <st2:givenname w:st="on">Crystal's score?

Batina is a conservative investor,much to the chagrin of her husband.He cannot believe she values stability in an investment over the historical rate of return.The standard deviations of the following returns of investment are given below.Which investment should Batina choose?

Consider the following data set: 2,2,3,3,3,4,4,5,5,92.If the last value (92)is removed from the data set,which statistical measure will change the most?

Introduction to the Science of Psychology

Research in Psychology

Biological Aspects of Psychology

Sensation and Perception

Learning

Memory

Thought and Language

Intelligence

Consciousness

Motivation and Emotion

Human Development

Health, stress, and Coping

Personality

Psychological Disorders

Treatment of Psychological Disorders

Social Psychology

Industrial and Organizational Psychology

Neuropsychology

Appendix A: Statistics in Psychological Research

Filters