Question 1

Probabilities are used to express the ________.

Accepted Answer

A)  mode 
B)  variance 
C)  significance level 
D)  mean 
A)  mode 
B)  variance 
C)  significance level 
D)  mean

Question 2

A hypothetical bell-shaped distribution curve that occurs when a normal distribution is plotted as a frequency polygon is called a(n) ________ curve.

Accepted Answer

A)  asymmetrical 
B)  normal 
C)  bimodal 
D)  anomalous 
A)  asymmetrical 
B)  normal 
C)  bimodal 
D)  anomalous

Question 3

For the set of numbers 2, 4, 6, 6, the ________.

Accepted Answer

A)  mean is equal to the mode 
B)  median is equal to the mode 
C)  median is greater than the mean 
D)  mean is greater than the median 
A)  mean is equal to the mode 
B)  median is equal to the mode 
C)  median is greater than the mean 
D)  mean is greater than the median

Question 4

The most frequently occurring score in a set of scores is called the ________.

Accepted Answer

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

Question 5

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

Accepted Answer

A)  four 
B)  one 
C)  three 
D)  two 
A)  four 
B)  one 
C)  three 
D)  two

Question 6

The median for the set of scores 6, 9, 10, 11, 15, 15 is ________.

Accepted Answer

A)  9 
B)  15 
C)  10.5 
D)  11.2 
A)  9 
B)  15 
C)  10.5 
D)  11.2

Question 7

A ratio scale ________ equal distances between the points and ________ a true zero.

Accepted Answer

A)  has; does not have 
B)  does not have; has 
C)  does not have; does not have 
D)  has; has 
A)  has; does not have 
B)  does not have; has 
C)  does not have; does not have 
D)  has; has

Question 8

In the set of scores 90, 80, 70, the ________.

Accepted Answer

A)  mean is equal to the mode 
B)  mean is equal to the median 
C)  mean is greater than the median 
D)  median is greater than the mean 
A)  mean is equal to the mode 
B)  mean is equal to the median 
C)  mean is greater than the median 
D)  median is greater than the mean

Question 9

Which of the following is true regarding statistics?

Accepted Answer

A)  They guide the conclusions scientists draw from research. 
B)  They cannot provide definitive conclusions that researchers can draw on to generate theories. 
C)  They are generally considered optional when conducting an experiment or designing a test. 
D)  They often interfere with a scientist's ability to organize and describe data. 
A)  They guide the conclusions scientists draw from research. 
B)  They cannot provide definitive conclusions that researchers can draw on to generate theories. 
C)  They are generally considered optional when conducting an experiment or designing a test. 
D)  They often interfere with a scientist's ability to organize and describe data.

Question 10

A scale that is simply a set of categories for classifying objects is a(n) ________ scale.

Accepted Answer

A)  ratio 
B)  ordinal 
C)  nominal 
D)  interval 
A)  ratio 
B)  ordinal 
C)  nominal 
D)  interval

Question 11

A line graph showing a frequency distribution is called a ________.

Accepted Answer

A)  skewed distribution 
B)  normal distribution 
C)  frequency polygon 
D)  frequency histogram 
A)  skewed distribution 
B)  normal distribution 
C)  frequency polygon 
D)  frequency histogram

Question 12

A scale with equal distances between the points or values with a true zero point is a(n) ________ scale.

Accepted Answer

A)  ordinal 
B)  nominal 
C)  interval 
D)  ratio 
A)  ordinal 
B)  nominal 
C)  interval 
D)  ratio

Question 13

A 4-point scale that measures the quality of beef is a(n) ________ scale.

Accepted Answer

A)  nominal 
B)  ratio 
C)  interval 
D)  ordinal 
A)  nominal 
B)  ratio 
C)  interval 
D)  ordinal

Question 14

The median for the set of scores 12, 28, 33, 45, 67, 67, 98 is ________.

Accepted Answer

A)  50 
B)  45 
C)  98 
D)  67 
A)  50 
B)  45 
C)  98 
D)  67

Question 15

The scores gather at one end of a ________ distribution.

Accepted Answer

A)  symmetrical 
B)  normal 
C)  standard 
D)  skewed 
A)  symmetrical 
B)  normal 
C)  standard 
D)  skewed

Question 16

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

Accepted Answer

A)  ordinal 
B)  interval 
C)  nominal 
D)  ratio 
A)  ordinal 
B)  interval 
C)  nominal 
D)  ratio

Question 17

A moderate correlation coefficient is indicated by the correlations in the range ________.

Accepted Answer

A)  +.60 to +.80 
B)  +1.0 to +2.0 
C)  +1 or -1 
D)  +.40 to +.60 
A)  +.60 to +.80 
B)  +1.0 to +2.0 
C)  +1 or -1 
D)  +.40 to +.60

Question 18

The simplest measure of variation is the ________.

Accepted Answer

A)  standard deviation 
B)  range 
C)  mean 
D)  significance 
A)  standard deviation 
B)  range 
C)  mean 
D)  significance

Question 19

A significance level of .05 means that the odds that the results of an experiment are due to chance are ________.

Accepted Answer

A)  1 out of 20 
B)  1 out of 100 
C)  1 out of 5 
D)  19 out of 20 
A)  1 out of 20 
B)  1 out of 100 
C)  1 out of 5 
D)  19 out of 20

Question 20

Which number tells us the most about how the scores in a frequency distribution are dispersed around the mean?

Accepted Answer

A)  range 
B)  correlation coefficient 
C)  standard deviation 
D)  probability ratio 
A)  range 
B)  correlation coefficient 
C)  standard deviation 
D)  probability ratio

Probabilities are used to express the ________.

A hypothetical bell-shaped distribution curve that occurs when a normal distribution is plotted as a frequency polygon is called a(n) ________ curve.

For the set of numbers 2, 4, 6, 6, the ________.

The most frequently occurring score in a set of scores is called the ________.

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

The median for the set of scores 6, 9, 10, 11, 15, 15 is ________.

A ratio scale equal distances between the points and a true zero.

In the set of scores 90, 80, 70, the ________.

Which of the following is true regarding statistics?

A scale that is simply a set of categories for classifying objects is a(n) ________ scale.

A line graph showing a frequency distribution is called a ________.

A scale with equal distances between the points or values with a true zero point is a(n) ________ scale.

A 4-point scale that measures the quality of beef is a(n) ________ scale.

The median for the set of scores 12, 28, 33, 45, 67, 67, 98 is ________.

The scores gather at one end of a ________ distribution.

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

A moderate correlation coefficient is indicated by the correlations in the range ________.

The simplest measure of variation is the ________.

A significance level of .05 means that the odds that the results of an experiment are due to chance are ________.

Which number tells us the most about how the scores in a frequency distribution are dispersed around the mean?

The Science of Psychology

The Biological Basis of Behavior

Sensation and Perception

States of Consciousness

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Cognition and Mental Abilities

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Exam 16: Psychology Applied to Work

Probabilities are used to express the ________.

A hypothetical bell-shaped distribution curve that occurs when a normal distribution is plotted as a frequency polygon is called a(n) ________ curve.

For the set of numbers 2, 4, 6, 6, the ________.

The most frequently occurring score in a set of scores is called the ________.

About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

The median for the set of scores 6, 9, 10, 11, 15, 15 is ________.

A ratio scale ________ equal distances between the points and ________ a true zero.

In the set of scores 90, 80, 70, the ________.

Which of the following is true regarding statistics?

A scale that is simply a set of categories for classifying objects is a(n) ________ scale.

A line graph showing a frequency distribution is called a ________.

A scale with equal distances between the points or values with a true zero point is a(n) ________ scale.

A 4-point scale that measures the quality of beef is a(n) ________ scale.

The median for the set of scores 12, 28, 33, 45, 67, 67, 98 is ________.

The scores gather at one end of a ________ distribution.

A scale that ranks preferences on a continuum from lowest to highest is a(n) ________ scale.

A moderate correlation coefficient is indicated by the correlations in the range ________.

The simplest measure of variation is the ________.

A significance level of .05 means that the odds that the results of an experiment are due to chance are ________.

Which number tells us the most about how the scores in a frequency distribution are dispersed around the mean?

The Science of Psychology

The Biological Basis of Behavior

Sensation and Perception

States of Consciousness

Learning

Memory

Cognition and Mental Abilities

Motivation and Emotion

Life-Span Development

Personality

Stress and Health Psychology

Psychological Disorders

Therapies

Social Psychology

Measurement and Statistical Methods

Filters

A ratio scale equal distances between the points and a true zero.