Question 1

Vertical bars are used to indicate frequencies in a

Accepted Answer

A) frequency polygon. 
B) scatter diagram. 
C) normal distribution. 
D) histogram. 
A) frequency polygon. 
B) scatter diagram. 
C) normal distribution. 
D) histogram.

Question 2

A very important aspect of representative samples is that their members are

Accepted Answer

A) chosen by random selection. 
B) chosen on the basis of central tendency. 
C) chosen on the basis of equal variability. 
D) significant members of the population. 
A) chosen by random selection. 
B) chosen on the basis of central tendency. 
C) chosen on the basis of equal variability. 
D) significant members of the population.

Question 3

A _____ indicates the degree of relationship between two measures.

Accepted Answer

A) coefficient of correlation 
B) rational coefficient 
C) standard deviation 
D) coefficient of variation 
A) coefficient of correlation 
B) rational coefficient 
C) standard deviation 
D) coefficient of variation

Question 4

Kayla wants to create an organized summary of the number of people interested in each of the fifteen new products her company has designed.She should construct a

Accepted Answer

A) frequency distribution. 
B) range table. 
C) variability matrix. 
D) standard deviation scale. 
A) frequency distribution. 
B) range table. 
C) variability matrix. 
D) standard deviation scale.

Question 5

If the points on a scatter diagram are clustered in a pattern that extends from upper left to the lower right, this would suggest that the two variables depicted are

Accepted Answer

A) normally distributed. 
B) not correlated. 
C) negatively correlated. 
D) positively correlated. 
A) normally distributed. 
B) not correlated. 
C) negatively correlated. 
D) positively correlated.

Question 6

Correlations tell us only the degree of _____ between two variables of interest.

Accepted Answer

A) causation 
B) influence 
C) abstraction 
D) relationship 
A) causation 
B) influence 
C) abstraction 
D) relationship

Question 7

The 45 students in your psychology section took the test.Your instructor adds together the scores made by these students and divides by 45 to obtain the

Accepted Answer

A) median. 
B) mode. 
C) range. 
D) mean. 
A) median. 
B) mode. 
C) range. 
D) mean.

Question 8

When we want to generalize from the behavior of a small group to a large group, we must rely on

Accepted Answer

A) descriptive statistics. 
B) normative statistics. 
C) inferential statistics. 
D) random statistics. 
A) descriptive statistics. 
B) normative statistics. 
C) inferential statistics. 
D) random statistics.

Question 9

A perfect positive relationship is a mathematical releationship in which the correlation between two measures is _____.

Accepted Answer

A) 0.00 
B) +1.00 
C) -1.00 
D) none of these. 
A) 0.00 
B) +1.00 
C) -1.00 
D) none of these.

Question 10

Ninety-five percent of all cases are found between a standard deviation of +2 and a standard deviation of -2 on a normal curve.

Accepted Answer

A) True 
 B)False

Question 11

The types of descriptive statistics include

Accepted Answer

A) graphical statistics. 
B) measures of central tendency. 
C) measures of variability. 
D) all of these. 
A) graphical statistics. 
B) measures of central tendency. 
C) measures of variability. 
D) all of these.

Question 12

Correlations are important for

Accepted Answer

A) calculating z-scores. 
B) making predictions. 
C) proving causality. 
D) forming hypotheses. 
A) calculating z-scores. 
B) making predictions. 
C) proving causality. 
D) forming hypotheses.

Question 13

The _____ represents the point in a group of scores where half the values of the group of scores fall below the median and half fall above, while the _____ is the most frequently occurring score in a group of scores.

Accepted Answer

A) median; mode 
B) mean; median 
C) mode; mean 
D) mode; median 
A) median; mode 
B) mean; median 
C) mode; mean 
D) mode; median

Question 14

The _____ is sensitive to extremely high or low scores in a distribution.

Accepted Answer

A) mean 
B) midst 
C) mode 
D) median 
A) mean 
B) midst 
C) mode 
D) median

Question 15

A correlation of +1.00 or -1.00 means that _____ percent of the variation in the Y measure is accounted for by knowing the X measure.

Accepted Answer

A) 10 
B) 20 
C) 50 
D) 100 
A) 10 
B) 20 
C) 50 
D) 100

Question 16

Students' hat sizes and their college grades would be a

Accepted Answer

A) positive relationship. 
B) zero correlation. 
C) variable relationship. 
D) negative relationship. 
A) positive relationship. 
B) zero correlation. 
C) variable relationship. 
D) negative relationship.

Question 17

Regarding correlations, which of the following statements is/are TRUE?

Accepted Answer

A) Correlation demonstrates causation. 
B) We can conclude that a causal relationship exists solely on the basis of a correlation. 
C) An experiment must be performed to establish a causal relationship. 
D) All of these statements are true. 
A) Correlation demonstrates causation. 
B) We can conclude that a causal relationship exists solely on the basis of a correlation. 
C) An experiment must be performed to establish a causal relationship. 
D) All of these statements are true.

Question 18

There are ten students in the pre-kindergarten class.Each student is shown eight colors and asked to name them.The number of colors correctly named by each student was: 8, 8, 8, 8, 7, 7, 6, 6, 5, 4.What would be the mode?

Accepted Answer

A) 4.0 
B) 6.7 
C) 7.0 
D) 8.0 
A) 4.0 
B) 6.7 
C) 7.0 
D) 8.0

Question 19

Graphical statistics, measures of central tendency, and measures of variability are the three basic types of _____ statistics.

Accepted Answer

A) nominal 
B) inferential 
C) descriptive 
D) ordinal 
A) nominal 
B) inferential 
C) descriptive 
D) ordinal

Question 20

The normal curve is an important and useful tool in psychological statistics because

Accepted Answer

A) many psychological characteristics are normally distributed. 
B) there is a direct relationship between the SD and the normal curve. 
C) the normal curve can be used to estimate probabilities. 
D) all of these statements are true. 
A) many psychological characteristics are normally distributed. 
B) there is a direct relationship between the SD and the normal curve. 
C) the normal curve can be used to estimate probabilities. 
D) all of these statements are true.

Exam 19: Appendix A: Behavioral Statistics

Vertical bars are used to indicate frequencies in a

A very important aspect of representative samples is that their members are

A _____ indicates the degree of relationship between two measures.

Kayla wants to create an organized summary of the number of people interested in each of the fifteen new products her company has designed.She should construct a

If the points on a scatter diagram are clustered in a pattern that extends from upper left to the lower right, this would suggest that the two variables depicted are

Correlations tell us only the degree of _____ between two variables of interest.

The 45 students in your psychology section took the test.Your instructor adds together the scores made by these students and divides by 45 to obtain the

When we want to generalize from the behavior of a small group to a large group, we must rely on

A perfect positive relationship is a mathematical releationship in which the correlation between two measures is _____.

Ninety-five percent of all cases are found between a standard deviation of +2 and a standard deviation of -2 on a normal curve.

The types of descriptive statistics include

Correlations are important for

The _____ represents the point in a group of scores where half the values of the group of scores fall below the median and half fall above, while the _____ is the most frequently occurring score in a group of scores.

The _____ is sensitive to extremely high or low scores in a distribution.

A correlation of +1.00 or -1.00 means that _____ percent of the variation in the Y measure is accounted for by knowing the X measure.

Students' hat sizes and their college grades would be a

Regarding correlations, which of the following statements is/are TRUE?

There are ten students in the pre-kindergarten class.Each student is shown eight colors and asked to name them.The number of colors correctly named by each student was: 8, 8, 8, 8, 7, 7, 6, 6, 5, 4.What would be the mode?

Graphical statistics, measures of central tendency, and measures of variability are the three basic types of _____ statistics.

The normal curve is an important and useful tool in psychological statistics because

Introduction the Psychology

Extension A: Introduction to Psychology and Research Methods

Extension B: Introduction to Psychology and Research Methods

Extension C: Introduction to Psychology and Research Methods

Extension A: Brain and Behavior

Extension B: Brain and Behavior

Extension C: Brain and Behavior

Extension A: Human Development

Extension B: Human Development

Extension C: Human Development

Extension D: Human Development

Extension A: Sensation and Reality

Extension B: Sensation and Reality

Extension A: Perceiving the World

Extension B: Perceiving the World

Extension A: States of Consciousness

Extension B: States of Consciousness

Extension C: States of Consciousness

Extension D: States of Consciousness

Extension A: Conditioning and Learning

Extension B: Conditioning and Learning

Extension C: Conditioning and Learning

Extension A: Memory

Extension B: Memory

Extension C: Memory

Extension A: Cognition, Language, Creativity, and Intelligence

Extension B: Cognition, Language, Creativity, and Intelligence

Extension C: Cognition, Language, Creativity, and Intelligence

Extension D: Cognition, Language, Creativity, and Intelligence

Extension A: Motivation and Emotion

Extension B: Motivation and Emotion

Extension C: Motivation and Emotion

Extension D: Motivation and Emotion

Extension A: Gender and Sexuality

Extension B: Gender and Sexuality

Extension C: Gender and Sexuality

Extension A: Personality

Extension B: Personality

Extension C: Personality

Extension D: Personality

Extension A: Health, Stress, and Coping

Extension B: Health, Stress, and Coping

Extension C: Health, Stress, and Coping

Extension A: Psychological Disorders

Extension B: Psychological Disorders

Extension C: Psychological Disorders

Extension D: Psychological Disorders

Extension A: Therapies

Extension B: Therapies

Extension C: Therapies

Extension D: Therapies

Extension A: Social Thinking and Social Influence

Extension B: Social Thinking and Social Influence

Extension C: Social Thinking and Social Influence

Extension A: Prosocial and Antisocial Behavior

Extension B: Prosocial and Antisocial Behavior

Extension C: Prosocial and Antisocial Behavior

Extension A: Applied Psychology

Extension B: Applied Psychology

The _ represents the point in a group of scores where half the values of the group of scores fall below the median and half fall above, while the _ is the most frequently occurring score in a group of scores.