Question 1

The coding of open-ended questions is usually based on both theoretical and empirical considerations.

Accepted Answer

A) True 
 B)False

Question 2

A dummy variable has only two coding categories.

Accepted Answer

A) True 
 B)False

Question 3

The chi-square statistic indicates whether a relationship between two variables is likely to exist.

Accepted Answer

A) True 
 B)False

Question 4

Consistency checking is a cleaning process used to identify out-of-range codes.

Accepted Answer

A) True 
 B)False

Question 5

Percentage distributions

Accepted Answer

A)  may be applied only to interval-/ratio-scale variables. 
B)  should include missing values in the computation of percentages. 
C)  cannot be computed when there are missing data. 
D)  provide an explicit comparative framework for interpreting distributions. 
A)  may be applied only to interval-/ratio-scale variables. 
B)  should include missing values in the computation of percentages. 
C)  cannot be computed when there are missing data. 
D)  provide an explicit comparative framework for interpreting distributions.

Question 6

In the 2014 GSS, the distribution of reported number of hours of television watched per day was

Accepted Answer

A)  skewed. 
B)  normal. 
C)  abnormal. 
D)  bell-shaped. 
A)  skewed. 
B)  normal. 
C)  abnormal. 
D)  bell-shaped.

Question 7

For the 2012 GSS, the regression of respondent's income in constant dollars (Y) on years of education (X) yields the following equation: Y = -45,204.31 + 5,293.56X.

Accepted Answer

A)  What is the value of the regression coefficient? 
B)  How much does income (Y) increase for each increase of one year of education? 
C)  What is the predicted income in 2012 for a person with a bachelor's degree (16 years of education)? 
D)  The correlation between income and years of education is .28. What does this tell you about this relationship? 
A)  What is the value of the regression coefficient? 
B)  How much does income (Y) increase for each increase of one year of education? 
C)  What is the predicted income in 2012 for a person with a bachelor's degree (16 years of education)? 
D)  The correlation between income and years of education is .28. What does this tell you about this relationship?

Question 8

What are the marginals in a cross-tabulation or contingency table?

Accepted Answer

A)  outliers 
B)  standard deviates 
C)  cell frequencies 
D)  lowest and highest frequencies 
E)  row and column totals 
A)  outliers 
B)  standard deviates 
C)  cell frequencies 
D)  lowest and highest frequencies 
E)  row and column totals

Question 9

Regression coefficients indicate, among other things, the direction of the relationship between two variables.

Accepted Answer

A) True 
 B)False

Question 10

Suppose two variables are negatively related. Which of the following regression equations might describe this relationship?

Accepted Answer

A)  Y = 3.21 + 2.41X 
B)  Y = −.45 + 4.12X 
C)  Y = 18.62 - 1.21X 
A)  Y = 3.21 + 2.41X 
B)  Y = −.45 + 4.12X 
C)  Y = 18.62 - 1.21X

Question 11

Outliers are unusual or suspicious values that are far removed from the preponderance of observations for a variable.

Accepted Answer

A) True 
 B)False

Question 12

Editing may include all but which one of the following activities?

Accepted Answer

A)  evaluating interviewers and detecting interview problems 
B)  checking for improper responses such as multiple answers to a single item 
C)  correcting and coding missing data 
D)  checking for wild code data-entry errors 
A)  evaluating interviewers and detecting interview problems 
B)  checking for improper responses such as multiple answers to a single item 
C)  correcting and coding missing data 
D)  checking for wild code data-entry errors

The coding of open-ended questions is usually based on both theoretical and empirical considerations.

A dummy variable has only two coding categories.

The chi-square statistic indicates whether a relationship between two variables is likely to exist.

Consistency checking is a cleaning process used to identify out-of-range codes.

Percentage distributions

In the 2014 GSS, the distribution of reported number of hours of television watched per day was

For the 2012 GSS, the regression of respondent's income in constant dollars (Y) on years of education (X) yields the following equation: Y = -45,204.31 + 5,293.56X.

What are the marginals in a cross-tabulation or contingency table?

Regression coefficients indicate, among other things, the direction of the relationship between two variables.

Suppose two variables are negatively related. Which of the following regression equations might describe this relationship?

Outliers are unusual or suspicious values that are far removed from the preponderance of observations for a variable.

Editing may include all but which one of the following activities?

Introduction

The Nature of Science

Research Ethics

Elements of Research Design

Measurement

Sampling

Experimentation

Experimental Designs

Survey Research

Survey Instrumentation

Field Research

Research Using Available Data

Multiple Methods

Multivariate Analysis

Writing Research Reports

Filters

Exam 15: Data Processing and Elementary Data Analysis

The coding of open-ended questions is usually based on both theoretical and empirical considerations.

A dummy variable has only two coding categories.

The chi-square statistic indicates whether a relationship between two variables is likely to exist.

Consistency checking is a cleaning process used to identify out-of-range codes.

Percentage distributions

In the 2014 GSS, the distribution of reported number of hours of television watched per day was

For the 2012 GSS, the regression of respondent's income in constant dollars (Y) on years of education (X) yields the following equation: Y = -45,204.31 + 5,293.56X.

What are the marginals in a cross-tabulation or contingency table?

Regression coefficients indicate, among other things, the direction of the relationship between two variables.

Suppose two variables are negatively related. Which of the following regression equations might describe this relationship?

Outliers are unusual or suspicious values that are far removed from the preponderance of observations for a variable.

Editing may include all but which one of the following activities?

Introduction

The Nature of Science

Research Ethics

Elements of Research Design

Measurement

Sampling

Experimentation

Experimental Designs

Survey Research

Survey Instrumentation

Field Research

Research Using Available Data

Multiple Methods

Multivariate Analysis

Writing Research Reports

Filters