Question 1

The chi-square test assesses the differences in the distribution of data between groups.

Accepted Answer

A) True 
 B)False

Question 2

Variance is a measure of the extent to which scores in a data set vary.

Accepted Answer

A) True 
 B)False

Question 3

The larger the standard deviation of a variable, the wider its range of scores on either side of the mean.

Accepted Answer

A) True 
 B)False

Question 4

Anomalous data may be dealt with by all methods EXCEPT ______.

Accepted Answer

A)  not analyzing them 
B)  analyzing them along with other data 
C)  analyzing them separately from other data 
D)  replacing the anomalous data with an average of the rest of the data 
A)  not analyzing them 
B)  analyzing them along with other data 
C)  analyzing them separately from other data 
D)  replacing the anomalous data with an average of the rest of the data

Question 5

The formula for calculating variance includes everything EXCEPT ______.

Accepted Answer

A)  scores for each individual in a group 
B)  the mean score for the group 
C)  the number of individuals in the group 
D)  a description of the population 
A)  scores for each individual in a group 
B)  the mean score for the group 
C)  the number of individuals in the group 
D)  a description of the population

Question 6

Which one of the following lists does NOT show measures of dispersion?

Accepted Answer

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

Question 7

Which one of the following is not a measure of central tendency?

Accepted Answer

A)  mean 
B)  median 
C)  average 
D)  variance 
A)  mean 
B)  median 
C)  average 
D)  variance

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Descriptive statistics help us make generalizations about a population from a smaller sample of that population.

Accepted Answer

A) True 
 B)False

Question 10

Inferential statistics help us make generalizations about a population from a smaller sample of that population.

Accepted Answer

A) True 
 B)False

Question 11

Mean, mode, and median are measures of ______.

Accepted Answer

A)  dispersion 
B)  distortion 
C)  correlation 
D)  central tendency 
A)  dispersion 
B)  distortion 
C)  correlation 
D)  central tendency

Question 12

"Degrees of freedom" is a term that reflects the number of______.

Accepted Answer

A)  different statistical tests that were run on a data set 
B)  times data were reanalyzed to confirm initial findings 
C)  different ways data could be combined and still produce the same statistical results 
D)  times that a population can be repeatedly sampled 
A)  different statistical tests that were run on a data set 
B)  times data were reanalyzed to confirm initial findings 
C)  different ways data could be combined and still produce the same statistical results 
D)  times that a population can be repeatedly sampled

Question 13

Anomalous data are data that ______.

Accepted Answer

A)  are not anticipated by the researcher 
B)  are anticipated by the researcher 
C)  cannot be analyzed quantitatively 
D)  cannot be used for ethical reasons 
A)  are not anticipated by the researcher 
B)  are anticipated by the researcher 
C)  cannot be analyzed quantitatively 
D)  cannot be used for ethical reasons

Question 14

Statistics that describe the relationship among three or more variables are known as ______ statistics.

Accepted Answer

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

Question 15

Which one of the following is NOT true of descriptive statistics?

Accepted Answer

A)  summarize complex data 
B)  show how the data vary 
C)  show population parameters 
D)  show if different groups of people differ in some way 
A)  summarize complex data 
B)  show how the data vary 
C)  show population parameters 
D)  show if different groups of people differ in some way

Question 16

A data set consists of all the data from a research project.

Accepted Answer

A) True 
 B)False

Question 17

Which one of the following lists shows measures of central tendency only?

Accepted Answer

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

Question 18

The range of values for a variable is the difference between the median and maximum values.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following are TRUE of descriptive statistics?

Accepted Answer

A)  summarize complex data 
B)  analyze complex data 
C)  show population parameters 
D)  analyze sample types 
A)  summarize complex data 
B)  analyze complex data 
C)  show population parameters 
D)  analyze sample types

Question 20

Identify and explain three main uses of statistics.

Accepted Answer

The answer of Identify and explain three main uses of...

The chi-square test assesses the differences in the distribution of data between groups.

Variance is a measure of the extent to which scores in a data set vary.

The larger the standard deviation of a variable, the wider its range of scores on either side of the mean.

Anomalous data may be dealt with by all methods EXCEPT ______.

The formula for calculating variance includes everything EXCEPT ______.

Which one of the following lists does NOT show measures of dispersion?

Which one of the following is not a measure of central tendency?

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

Descriptive statistics help us make generalizations about a population from a smaller sample of that population.

Inferential statistics help us make generalizations about a population from a smaller sample of that population.

Mean, mode, and median are measures of ______.

"Degrees of freedom" is a term that reflects the number of______.

Anomalous data are data that ______.

Statistics that describe the relationship among three or more variables are known as ______ statistics.

Which one of the following is NOT true of descriptive statistics?

A data set consists of all the data from a research project.

Which one of the following lists shows measures of central tendency only?

The range of values for a variable is the difference between the median and maximum values.

Which of the following are TRUE of descriptive statistics?

Identify and explain three main uses of statistics.

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 chi-square test assesses the differences in the distribution of data between groups.

Variance is a measure of the extent to which scores in a data set vary.

The larger the standard deviation of a variable, the wider its range of scores on either side of the mean.

Anomalous data may be dealt with by all methods EXCEPT ______.

The formula for calculating variance includes everything EXCEPT ______.

Which one of the following lists does NOT show measures of dispersion?

Which one of the following is not a measure of central tendency?

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

Descriptive statistics help us make generalizations about a population from a smaller sample of that population.

Inferential statistics help us make generalizations about a population from a smaller sample of that population.

Mean, mode, and median are measures of ______.

"Degrees of freedom" is a term that reflects the number of______.

Anomalous data are data that ______.

Statistics that describe the relationship among three or more variables are known as ______ statistics.

Which one of the following is NOT true of descriptive statistics?

A data set consists of all the data from a research project.

Which one of the following lists shows measures of central tendency only?

The range of values for a variable is the difference between the median and maximum values.

Which of the following are TRUE of descriptive statistics?

Identify and explain three main uses of statistics.

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