Question 1

The term "mode" refers to the ______ in a data set.

Accepted Answer

A)  most frequent score 
B)  midrange score 
C)  lowest score 
D)  average score 
A)  most frequent score 
B)  midrange score 
C)  lowest score 
D)  average score A

Question 2

If you know the mean and median values of a data set, you will automatically know the value of the mode.

Accepted Answer

A) True 
 B)False  True

Question 3

Variance is the square root of standard deviation.

Accepted Answer

A) True 
 B)False  False

Question 4

Explain minimum, maximum, range, variance, and standard deviation.

Accepted Answer

Maximum is the highest value. Minimum is

Question 5

The chi-square test is used to assess whether groups differ on which of the following types of variables?

Accepted Answer

A)  bivariate and univariate 
B)  linear and curvilinear 
C)  nominal and ordinal 
D)  interval and ratio 
A)  bivariate and univariate 
B)  linear and curvilinear 
C)  nominal and ordinal 
D)  interval and ratio

Question 6

Which one of the following lists shows measures of dispersion only?

Accepted Answer

A)  mean, median, and mode 
B)  mode, maximum, and minimum 
C)  mean, median, and maximum 
D)  range, minimum, and maximum 
A)  mean, median, and mode 
B)  mode, maximum, and minimum 
C)  mean, median, and maximum 
D)  range, minimum, and maximum

Question 7

A z-score is the number of units of standard deviation a value is above or below the mean.

Accepted Answer

A) True 
 B)False

Question 8

The term "range" refers to the difference between the ______ in a data set.

Accepted Answer

A)  most frequent score and the least frequent score 
B)  highest and the lowest scores 
C)  highest score and the mean 
D)  mean and the median 
A)  most frequent score and the least frequent score 
B)  highest and the lowest scores 
C)  highest score and the mean 
D)  mean and the median

Question 9

Degrees of freedom is an estimate of the number of independent pieces of information on which an estimate is based.

Accepted Answer

A) True 
 B)False

Question 10

Standard deviation is the ______ variance.

Accepted Answer

A)  square of 
B)  square-root of 
C)  range of 
D)  mean of 
A)  square of 
B)  square-root of 
C)  range of 
D)  mean of

Question 11

The term "frequencies" refers to the average number of times a particular value occurs.

Accepted Answer

A) True 
 B)False

Question 12

The formula for calculating chi-square includes ______.

Accepted Answer

A)  median 
B)  values expected to be found 
C)  the number of individuals in the group 
D)  mode 
A)  median 
B)  values expected to be found 
C)  the number of individuals in the group 
D)  mode

Question 13

Statistical calculations can help us decide everything EXCEPT ______.

Accepted Answer

A)  whether there are significant differences among groups of people 
B)  whether there are significant relationships among variables 
C)  what level of confidence we can have when we attempt to generalize our findings 
D)  who we should survey 
A)  whether there are significant differences among groups of people 
B)  whether there are significant relationships among variables 
C)  what level of confidence we can have when we attempt to generalize our findings 
D)  who we should survey

Question 14

Mean, median, and mode are in a class of statistics known as ______.

Accepted Answer

A)  inferential 
B)  descriptive 
C)  nonlinear 
D)  computational 
A)  inferential 
B)  descriptive 
C)  nonlinear 
D)  computational

Question 15

The term "mean" refers to the ______ in a data set.

Accepted Answer

A)  most frequent score 
B)  midrange score 
C)  lowest score 
D)  average score 
A)  most frequent score 
B)  midrange score 
C)  lowest score 
D)  average score

Question 16

Explain with examples the difference between categorical and continuous data. Why do we need to know what type of data we are using?

Accepted Answer

The answer of Explain with examples the difference between categorical...

Question 17

Professionalism demands that you analyze all the data in a data set, not just part of it.

Accepted Answer

A) True 
 B)False

Question 18

Statistics that describe the relationship between two variables are known as ______ statistics.

Accepted Answer

A)  multivariate 
B)  univariate 
C)  bivariate 
D)  polyvariate 
A)  multivariate 
B)  univariate 
C)  bivariate 
D)  polyvariate

Question 19

Mean, median, and mode are all measures of central tendency.

Accepted Answer

A) True 
 B)False

Question 20

A z-score is the number of times any one score appears in a data set.

Accepted Answer

A) True 
 B)False

The term "mode" refers to the ______ in a data set.

If you know the mean and median values of a data set, you will automatically know the value of the mode.

Variance is the square root of standard deviation.

Explain minimum, maximum, range, variance, and standard deviation.

The chi-square test is used to assess whether groups differ on which of the following types of variables?

Which one of the following lists shows measures of dispersion only?

A z-score is the number of units of standard deviation a value is above or below the mean.

The term "range" refers to the difference between the ______ in a data set.

Degrees of freedom is an estimate of the number of independent pieces of information on which an estimate is based.

Standard deviation is the ______ variance.

The term "frequencies" refers to the average number of times a particular value occurs.

The formula for calculating chi-square includes ______.

Statistical calculations can help us decide everything EXCEPT ______.

Mean, median, and mode are in a class of statistics known as ______.

The term "mean" refers to the ______ in a data set.

Explain with examples the difference between categorical and continuous data. Why do we need to know what type of data we are using?

Professionalism demands that you analyze all the data in a data set, not just part of it.

Statistics that describe the relationship between two variables are known as ______ statistics.

Mean, median, and mode are all measures of central tendency.

A z-score is the number of times any one score appears in a data set.

Getting Started: Possibilities and Decisions

First Decisions: From Inspiration to Implementation

Ethics: What Are My Responsibilities As a Researcher

You Could Look It Up: Reading, Recording, and Reviewing Research

Measurement: Research Using Numbers

Sampling: Who, What, and How Many

Generalizing From Research Results: Inferential Statistics

Surveys: Putting Numbers on Opinions

Experiments: Researching Cause and Effect

Quantitative Understanding of Content: Content Analysis

Qualitative Understanding of Content: Rhetorical and Critical Analyses, and More

Qualitative Understanding of Communication Behavior: Interviews, Focus Groups, and Ethnography

Research Results in Print and Online: Writing and Presenting for Scholarly and Other Publics

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Exam 7: Summarizing Research Results: Data Reduction and Descriptive Statistics

The term "mode" refers to the ______ in a data set.

If you know the mean and median values of a data set, you will automatically know the value of the mode.

Variance is the square root of standard deviation.

Explain minimum, maximum, range, variance, and standard deviation.

The chi-square test is used to assess whether groups differ on which of the following types of variables?

Which one of the following lists shows measures of dispersion only?

A z-score is the number of units of standard deviation a value is above or below the mean.

The term "range" refers to the difference between the ______ in a data set.

Degrees of freedom is an estimate of the number of independent pieces of information on which an estimate is based.

Standard deviation is the ______ variance.

The term "frequencies" refers to the average number of times a particular value occurs.

The formula for calculating chi-square includes ______.

Statistical calculations can help us decide everything EXCEPT ______.

Mean, median, and mode are in a class of statistics known as ______.

The term "mean" refers to the ______ in a data set.

Explain with examples the difference between categorical and continuous data. Why do we need to know what type of data we are using?

Professionalism demands that you analyze all the data in a data set, not just part of it.

Statistics that describe the relationship between two variables are known as ______ statistics.

Mean, median, and mode are all measures of central tendency.

A z-score is the number of times any one score appears in a data set.

Getting Started: Possibilities and Decisions

First Decisions: From Inspiration to Implementation

Ethics: What Are My Responsibilities As a Researcher

You Could Look It Up: Reading, Recording, and Reviewing Research

Measurement: Research Using Numbers

Sampling: Who, What, and How Many

Generalizing From Research Results: Inferential Statistics

Surveys: Putting Numbers on Opinions

Experiments: Researching Cause and Effect

Quantitative Understanding of Content: Content Analysis

Qualitative Understanding of Content: Rhetorical and Critical Analyses, and More

Qualitative Understanding of Communication Behavior: Interviews, Focus Groups, and Ethnography

Research Results in Print and Online: Writing and Presenting for Scholarly and Other Publics

Filters