Question 1

Which of the following is an example of changing a nominal variable into a binary variable?

Accepted Answer

A)  Splitting political affiliation into Democrat, Republican, and Independent 
B)  Transforming political affiliation into a scale, 1 being Democrat and 10 being Republican 
C)  Splitting political affiliation into Democrat and Republican 
D)  Isolating only the Democrat category 
A)  Splitting political affiliation into Democrat, Republican, and Independent 
B)  Transforming political affiliation into a scale, 1 being Democrat and 10 being Republican 
C)  Splitting political affiliation into Democrat and Republican 
D)  Isolating only the Democrat category C

Question 2

Frequency distributions must be used for variables with what type of measurement?

Accepted Answer

A)  Ordinal 
B)  Nominal 
C)  Interval 
D)  Ratio 
A)  Ordinal 
B)  Nominal 
C)  Interval 
D)  Ratio B

Question 3

If the data for a variable is normally distributed, then:

Accepted Answer

A)  roughly 50% of the observations for the variable should fall within one standard deviation on either side of the mean 
B)  none of the observations for the variable should fall within one standard deviation on either side of the mean 
C)  roughly 68% of the observations for the variable should fall within one standard deviation on either side of the mean 
D)  100% of the observations for the variable should fall within one standard deviation on either side of the mean 
A)  roughly 50% of the observations for the variable should fall within one standard deviation on either side of the mean 
B)  none of the observations for the variable should fall within one standard deviation on either side of the mean 
C)  roughly 68% of the observations for the variable should fall within one standard deviation on either side of the mean 
D)  100% of the observations for the variable should fall within one standard deviation on either side of the mean C

Question 4

What is the best description of binary variable?

Accepted Answer

A)  A measurement in which observations are placed into discrete categories 
B)  A type of variable with nominal measurement that contains only two categories 
C)  A nominal variable 
D)  A type of measurement whose ordering of values has meaning for understanding variation in a variable 
A)  A measurement in which observations are placed into discrete categories 
B)  A type of variable with nominal measurement that contains only two categories 
C)  A nominal variable 
D)  A type of measurement whose ordering of values has meaning for understanding variation in a variable

Question 5

It is important to limit your dataset so that only those observations that are contained within your _____ remain in your data set.

Accepted Answer

A)  research group 
B)  sample 
C)  frequency 
D)  research population 
A)  research group 
B)  sample 
C)  frequency 
D)  research population

Question 6

Which of the following is true concerning the standard deviation of a distribution?

Accepted Answer

A)  A small standard deviation indicates a narrow clustering of values around a mean 
B)  A small standard deviation indicates a larger spread of values around the mean 
C)  A large standard deviation indicates a narrow clustering of values around the mean 
D)  A large standard deviation means that a lot of people answered a particular question. 
A)  A small standard deviation indicates a narrow clustering of values around a mean 
B)  A small standard deviation indicates a larger spread of values around the mean 
C)  A large standard deviation indicates a narrow clustering of values around the mean 
D)  A large standard deviation means that a lot of people answered a particular question.

Question 7

Descriptive statistics investigate:

Accepted Answer

A)  the amount of variation within each variable 
B)  relationships among variables 
C)  whether coefficients are significant 
D)  if a pie chart is more appropriate than a bar chart 
A)  the amount of variation within each variable 
B)  relationships among variables 
C)  whether coefficients are significant 
D)  if a pie chart is more appropriate than a bar chart

Question 8

The mode is the:

Accepted Answer

A)  value that appears the most in a dataset 
B)  average of all of the values in a dataset 
C)  lowest value in a dataset 
D)  standard deviation 
A)  value that appears the most in a dataset 
B)  average of all of the values in a dataset 
C)  lowest value in a dataset 
D)  standard deviation

Question 9

Which of the following is an example of a summary statistic?

Accepted Answer

A)  Minimum value 
B)  Significance level 
C)  Correlation coefficient 
D)  Inverse coefficient 
A)  Minimum value 
B)  Significance level 
C)  Correlation coefficient 
D)  Inverse coefficient

Question 10

Which of the following lists the percentages of each code contained in a variable?

Accepted Answer

A)  Data analysis 
B)  Frequency distribution 
C)  Regression analysis 
D)  Univariate analysis 
A)  Data analysis 
B)  Frequency distribution 
C)  Regression analysis 
D)  Univariate analysis

Question 11

The study of information to produce a result or conclusion is known as:

Accepted Answer

A)  data comprehension 
B)  data measurement 
C)  data research 
D)  data analysis 
A)  data comprehension 
B)  data measurement 
C)  data research 
D)  data analysis

Question 12

The following variable has what type of measurement?
$\begin{array}{ll}
\text { No right to vote } & 1 \
\text { I would not vote } & 2 \
\text { I would cast a blank ballot } & 3 \
\text { None } & 4 \
\text { Other } & 5
\end{array}$

Accepted Answer

A)  Ordinal 
B)  Binary 
C)  Nominal 
D)  Ratio 
A)  Ordinal 
B)  Binary 
C)  Nominal 
D)  Ratio

Question 13

What type of descriptive statistics is most appropriate for an ordinal variable with less than five categories?

Accepted Answer

A)  The average 
B)  A frequency distribution 
C)  Summary statistics 
D)  It is not possible to generate descriptive statistics for this type of variable 
A)  The average 
B)  A frequency distribution 
C)  Summary statistics 
D)  It is not possible to generate descriptive statistics for this type of variable

Question 14

What type of descriptive statistics is most appropriate for an ordinal variable with five or more categories?

Accepted Answer

A)  A frequency distribution 
B)  Summary statistics 
C)  The mode 
D)  Data analysis 
A)  A frequency distribution 
B)  Summary statistics 
C)  The mode 
D)  Data analysis

Question 15

Why is it important to understand the different types of measurement?

Accepted Answer

A)  Because the measurement level of a variable influences what can be done with it quantitatively 
B)  Because some variables are better than others 
C)  Because knowing the extent of variation in each variable is important 
D)  Because researchers should only use certain types of variables 
A)  Because the measurement level of a variable influences what can be done with it quantitatively 
B)  Because some variables are better than others 
C)  Because knowing the extent of variation in each variable is important 
D)  Because researchers should only use certain types of variables

Question 16

Data means:

Accepted Answer

A)  knowledge 
B)  information 
C)  access 
D)  research 
A)  knowledge 
B)  information 
C)  access 
D)  research

Question 17

What is a good example of an ordinal variable?

Accepted Answer

A)  Party affiliation 
B)  Biological sex 
C)  Year born 
D)  Life satisfaction on a scale from 1 to 10 
A)  Party affiliation 
B)  Biological sex 
C)  Year born 
D)  Life satisfaction on a scale from 1 to 10

Question 18

Which of the following is an advantage in using a bar chart or a pie chart?

Accepted Answer

A)  It creates a normal distribution 
B)  It allows readers to visually grasp the frequency of each response 
C)  It makes the data statistically significant 
D)  It can calculate summary statistics 
A)  It creates a normal distribution 
B)  It allows readers to visually grasp the frequency of each response 
C)  It makes the data statistically significant 
D)  It can calculate summary statistics

Question 19

Quantitative data presented in a spreadsheet with information organized into rows and columns is called a:

Accepted Answer

A)  codebook 
B)  distribution 
C)  book 
D)  dataset 
A)  codebook 
B)  distribution 
C)  book 
D)  dataset

Question 20

What is the standard deviation?

Accepted Answer

A)  The value that appears the most in a dataset 
B)  A measure for how the values in a variable are dispersed around the variable's mean 
C)  The lowest value in a dataset 
D)  The highest value in a dataset 
A)  The value that appears the most in a dataset 
B)  A measure for how the values in a variable are dispersed around the variable's mean 
C)  The lowest value in a dataset 
D)  The highest value in a dataset

Which of the following is an example of changing a nominal variable into a binary variable?

Frequency distributions must be used for variables with what type of measurement?

If the data for a variable is normally distributed, then:

What is the best description of binary variable?

It is important to limit your dataset so that only those observations that are contained within your _____ remain in your data set.

Which of the following is true concerning the standard deviation of a distribution?

Descriptive statistics investigate:

The mode is the:

Which of the following is an example of a summary statistic?

Which of the following lists the percentages of each code contained in a variable?

The study of information to produce a result or conclusion is known as:

The following variable has what type of measurement? No right to vote 1 I would not vote 2 I would cast a blank ballot 3 None 4 Other 5

What type of descriptive statistics is most appropriate for an ordinal variable with less than five categories?

What type of descriptive statistics is most appropriate for an ordinal variable with five or more categories?

Why is it important to understand the different types of measurement?

Data means:

What is a good example of an ordinal variable?

Which of the following is an advantage in using a bar chart or a pie chart?

Quantitative data presented in a spreadsheet with information organized into rows and columns is called a:

What is the standard deviation?

Introduction

Reviewing the Literature

Asking Questions in Political Science

Theory and Hypotheses

Research Design

More on Measurement

Basic Bivariate Analysis

Introduction to Regression

Qualitative Analysis Through Case Studies

Writing a Final Research Report

Your Future in Research

Filters

Exam 7: Getting Started With SPSS and Descriptive Statistics

Which of the following is an example of changing a nominal variable into a binary variable?

Frequency distributions must be used for variables with what type of measurement?

If the data for a variable is normally distributed, then:

What is the best description of binary variable?

It is important to limit your dataset so that only those observations that are contained within your _____ remain in your data set.

Which of the following is true concerning the standard deviation of a distribution?

Descriptive statistics investigate:

The mode is the:

Which of the following is an example of a summary statistic?

Which of the following lists the percentages of each code contained in a variable?

The study of information to produce a result or conclusion is known as:

The following variable has what type of measurement? No right to vote 1 I would not vote 2 I would cast a blank ballot 3 None 4 Other 5

What type of descriptive statistics is most appropriate for an ordinal variable with less than five categories?

What type of descriptive statistics is most appropriate for an ordinal variable with five or more categories?

Why is it important to understand the different types of measurement?

Data means:

What is a good example of an ordinal variable?

Which of the following is an advantage in using a bar chart or a pie chart?

Quantitative data presented in a spreadsheet with information organized into rows and columns is called a:

What is the standard deviation?

Introduction

Reviewing the Literature

Asking Questions in Political Science

Theory and Hypotheses

Research Design

More on Measurement

Basic Bivariate Analysis

Introduction to Regression

Qualitative Analysis Through Case Studies

Writing a Final Research Report

Your Future in Research

Filters