Question 1

What is the mode in the following set of data? 1, 2, 2, 3, 5, 6, 9

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5 B

Question 2

Suppose a researcher finds a statistically significant relationship between salary and job satisfaction among a random sample of employees. From this information, he can conclude that

Accepted Answer

A)  there is likely to be a relationship between job satisfaction and salary. 
B)  differences in salary cause differences in job satisfaction. 
C)  salary is the most important factor in job satisfaction. 
D)  the relationship between salary and job satisfaction probably occurred at random. 
E)  there is no relationship between job satisfaction and salary. 
A)  there is likely to be a relationship between job satisfaction and salary. 
B)  differences in salary cause differences in job satisfaction. 
C)  salary is the most important factor in job satisfaction. 
D)  the relationship between salary and job satisfaction probably occurred at random. 
E)  there is no relationship between job satisfaction and salary. A

Question 3

Obtaining frequency distributions for all the variables in a data file is one way to

Accepted Answer

A)  do wild-code checking. 
B)  do consistency checking. 
C)  verify data entry. 
D)  edit the data. 
A)  do wild-code checking. 
B)  do consistency checking. 
C)  verify data entry. 
D)  edit the data. A

Question 4

Tests of statistical significance may be applied only to interval- and ratio-scale variables.

Accepted Answer

A) True 
 B)False

Question 5

For the 2016 GSS, you regress number of hours of television watched on the average day (Y) on number of years of education completed (X) and obtain the following result:
Y = 5.37 - .18X. How much change in hours of television watched is associated with a change of one year in a respondent's education?

Accepted Answer

A)  1 
B)  5.37 - .18 
C)  5.37 
D)  -.18 
A)  1 
B)  5.37 - .18 
C)  5.37 
D)  -.18

Question 6

Direction is a statistical property that describes the relationship between variables with nominal measurement.

Accepted Answer

A) True 
 B)False

Question 7

What is the median in the following set of data? 1, 2, 2, 3, 5, 6, 9

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 8

Codebooks may contain all but which one of the following?

Accepted Answer

A)  raw survey data 
B)  numerical codes for each response 
C)  question wording 
D)  editing and coding rules 
E)  interviewer directions 
A)  raw survey data 
B)  numerical codes for each response 
C)  question wording 
D)  editing and coding rules 
E)  interviewer directions

Question 9

Which of the following methods is not an option for handling missing data?

Accepted Answer

A)  index construction 
B)  listwise deletion 
C)  recoding 
D)  imputation 
A)  index construction 
B)  listwise deletion 
C)  recoding 
D)  imputation

Question 10

Consider the regression equation Y = −5.43 + 4.16X. This equation tells us that

Accepted Answer

A)  one unit increase in X is associated with a 5.43 unit decrease in Y. 
B)  one unit increase in X is associated with a 4.16 unit increase in Y. 
C)  one unit increase in Y is associated with a 5.43 decrease in X. 
D)  one unit increase in Y is associated with a 4.16 increase in X 
A)  one unit increase in X is associated with a 5.43 unit decrease in Y. 
B)  one unit increase in X is associated with a 4.16 unit increase in Y. 
C)  one unit increase in Y is associated with a 5.43 decrease in X. 
D)  one unit increase in Y is associated with a 4.16 increase in X

Question 11

Closed-ended questions usually are coded before data collection.

Accepted Answer

A) True 
 B)False

Question 12

In the general formula for a linear relationship, Y = a + bX, "a" is called the

Accepted Answer

A)  least squares point. 
B)  Y-intercept. 
C)  regression coefficient. 
D)  slope. 
A)  least squares point. 
B)  Y-intercept. 
C)  regression coefficient. 
D)  slope.

Question 13

What is the order of steps in the quantitative analysis of survey data?

Accepted Answer

A)  inspect/modify data F1S1S1W1F1F1F10 data processing F1S1S1W1F1F1F10 bivariate analysis F1S1S1W1F1F1F10 multivariate testing 
B)  inspect/modify data F1S1S1W1F1F1F10 data processing F1S1S1W1F1F1F10 multivariate testing F1S1S1W1F1F1F10 bivariate analysis 
C)  data processing F1S1S1W1F1F1F10 inspect/modify data F1S1S1W1F1F1F10 bivariate analysis F1S1S1W1F1F1F10 multivariate testing 
D)  data processing F1S1S1W1F1F1F10 inspect/modify data F1S1S1W1F1F1F10 multivariate testing F1S1S1W1F1F1F10 bivariate analysis 
A)  inspect/modify data F1S1S1W1F1F1F10 data processing F1S1S1W1F1F1F10 bivariate analysis F1S1S1W1F1F1F10 multivariate testing 
B)  inspect/modify data F1S1S1W1F1F1F10 data processing F1S1S1W1F1F1F10 multivariate testing F1S1S1W1F1F1F10 bivariate analysis 
C)  data processing F1S1S1W1F1F1F10 inspect/modify data F1S1S1W1F1F1F10 bivariate analysis F1S1S1W1F1F1F10 multivariate testing 
D)  data processing F1S1S1W1F1F1F10 inspect/modify data F1S1S1W1F1F1F10 multivariate testing F1S1S1W1F1F1F10 bivariate analysis

Question 14

Describe the differences in the univariate analysis of nominal/ordinal variables and interval/ratio variables. What descriptive statistics are used to describe each type of variable?

Accepted Answer

Univariate analysis of nominal/ordinal v

Question 15

In a data matrix, __________ are placed in rows and __________ are placed in columns.

Accepted Answer

A)  variables; missing data 
B)  cases or observations; variables 
C)  dependent variables; independent variables 
D)  independent variables, dependent variables 
A)  variables; missing data 
B)  cases or observations; variables 
C)  dependent variables; independent variables 
D)  independent variables, dependent variables

Question 16

If the median in a distribution is 75, this means that

Accepted Answer

A)  75 percent of the cases scored above the median. 
B)  a score of 75 has the highest frequency. 
C)  75 is average score. 
D)  a score of 75 divides the frequency distribution in half. 
A)  75 percent of the cases scored above the median. 
B)  a score of 75 has the highest frequency. 
C)  75 is average score. 
D)  a score of 75 divides the frequency distribution in half.

Question 17

Percentage distributions provide an explicit frame of reference for making comparisons among variable categories.

Accepted Answer

A) True 
 B)False

Question 18

Which type(s) of statistical analysis did Broh use to examine the relationship between playing interscholastic sports and academic achievement?

Accepted Answer

A)  descriptive statistics 
B)  inferential statistics 
C)  both descriptive and inferential statistics 
D)  neither descriptive nor inferential statistics. 
A)  descriptive statistics 
B)  inferential statistics 
C)  both descriptive and inferential statistics 
D)  neither descriptive nor inferential statistics.

Question 19

Verification may involve entering the data twice into separate files and then comparing the two files for noncomparable entries.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements is not true of coding responses to open-ended questions?

Accepted Answer

A)  Coding categories are usually developed from a sample of 50 to 100 responses. 
B)  The number of coding categories usually exceeds 100. 
C)  Both theory and data guide the construction of coding categories. 
D)  Unique numbers or codes are assigned to each category of response. 
A)  Coding categories are usually developed from a sample of 50 to 100 responses. 
B)  The number of coding categories usually exceeds 100. 
C)  Both theory and data guide the construction of coding categories. 
D)  Unique numbers or codes are assigned to each category of response.

What is the mode in the following set of data? 1, 2, 2, 3, 5, 6, 9

Suppose a researcher finds a statistically significant relationship between salary and job satisfaction among a random sample of employees. From this information, he can conclude that

Obtaining frequency distributions for all the variables in a data file is one way to

Tests of statistical significance may be applied only to interval- and ratio-scale variables.

Direction is a statistical property that describes the relationship between variables with nominal measurement.

What is the median in the following set of data? 1, 2, 2, 3, 5, 6, 9

Codebooks may contain all but which one of the following?

Which of the following methods is not an option for handling missing data?

Consider the regression equation Y = −5.43 + 4.16X. This equation tells us that

Closed-ended questions usually are coded before data collection.

In the general formula for a linear relationship, Y = a + bX, "a" is called the

What is the order of steps in the quantitative analysis of survey data?

Describe the differences in the univariate analysis of nominal/ordinal variables and interval/ratio variables. What descriptive statistics are used to describe each type of variable?

In a data matrix, are placed in rows and are placed in columns.

If the median in a distribution is 75, this means that

Percentage distributions provide an explicit frame of reference for making comparisons among variable categories.

Which type(s) of statistical analysis did Broh use to examine the relationship between playing interscholastic sports and academic achievement?

Verification may involve entering the data twice into separate files and then comparing the two files for noncomparable entries.

Which of the following statements is not true of coding responses to open-ended questions?

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

What is the mode in the following set of data? 1, 2, 2, 3, 5, 6, 9

Suppose a researcher finds a statistically significant relationship between salary and job satisfaction among a random sample of employees. From this information, he can conclude that

Obtaining frequency distributions for all the variables in a data file is one way to

Tests of statistical significance may be applied only to interval- and ratio-scale variables.

Direction is a statistical property that describes the relationship between variables with nominal measurement.

What is the median in the following set of data? 1, 2, 2, 3, 5, 6, 9

Codebooks may contain all but which one of the following?

Which of the following methods is not an option for handling missing data?

Consider the regression equation Y = −5.43 + 4.16X. This equation tells us that

Closed-ended questions usually are coded before data collection.

In the general formula for a linear relationship, Y = a + bX, "a" is called the

What is the order of steps in the quantitative analysis of survey data?

Describe the differences in the univariate analysis of nominal/ordinal variables and interval/ratio variables. What descriptive statistics are used to describe each type of variable?

In a data matrix, __________ are placed in rows and __________ are placed in columns.

If the median in a distribution is 75, this means that

Percentage distributions provide an explicit frame of reference for making comparisons among variable categories.

Which type(s) of statistical analysis did Broh use to examine the relationship between playing interscholastic sports and academic achievement?

Verification may involve entering the data twice into separate files and then comparing the two files for noncomparable entries.

Which of the following statements is not true of coding responses to open-ended questions?

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

In a data matrix, are placed in rows and are placed in columns.