Question 1

A scatterplot is used to display the relationship between ____ continuous variables.

Accepted Answer

A)  Three 
B)  Six 
C)  Five 
D)  Two 
A)  Three 
B)  Six 
C)  Five 
D)  Two D

Question 2

Match the concept with the definition.
-Cell

Accepted Answer

A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values. 
A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values. E

Question 3

A Type ___ error is influenced by the effect of the intervention or the strength of the relationship between an independent variable and a dependent variable.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV A

Question 4

The median in a frequency distribution is determined by identifying the value corresponding to a cumulative percentage of 50.

Accepted Answer

A) True 
 B)False

Question 5

Quiz scores: 25, 23, 22, 17, 46, 42, 105. What is the mean score?

Accepted Answer

A)  35.2 
B)  40 
C)  23 
D)  30.5 
E)  40.2 
A)  35.2 
B)  40 
C)  23 
D)  30.5 
E)  40.2

Question 6

The mode is the only appropriate measure of central tendency for nominal variables.

Accepted Answer

A) True 
 B)False

Question 7

In a normal distribution, about 68 percent of all cases will fall between plus or minus one standard deviations from the mean.

Accepted Answer

A) True 
 B)False

Question 8

Match the cross-tabulation concept with the definition.
-Existence

Accepted Answer

A)  The amount by which the percentage distributions vary between categories of the independent variable 
B)  A bell-shaped distribution centered on the mean 
C)  When values on the dependent variable tend to increase or decrease with an increase in value on the independent variable 
D)  There is a pattern of percentage distributions that vary between categories of the dependent variable 
A)  The amount by which the percentage distributions vary between categories of the independent variable 
B)  A bell-shaped distribution centered on the mean 
C)  When values on the dependent variable tend to increase or decrease with an increase in value on the independent variable 
D)  There is a pattern of percentage distributions that vary between categories of the dependent variable

Question 9

Match the concept with the definition.
-Bar chart

Accepted Answer

A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces 
A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces

Question 10

Why is it important to assign a unique identifying number to each respondent?

Accepted Answer

This allows you to check if th

Question 11

Match the concept with the definition.
-Mode

Accepted Answer

A)  The highest value in a distribution minus the lowest value plus one 
B)  The most frequent value in a distribution 
C)  The point that divides the distribution in half 
D)  The average squared deviation of each case from the mean 
E)  The arithmetic average of the distribution 
A)  The highest value in a distribution minus the lowest value plus one 
B)  The most frequent value in a distribution 
C)  The point that divides the distribution in half 
D)  The average squared deviation of each case from the mean 
E)  The arithmetic average of the distribution

Question 12

The skewness of a data distribution can be

Accepted Answer

A)  Right or left. 
B)  Positive or inverse. 
C)  Nominal or ordinal. 
D)  Ordinal or interval. 
A)  Right or left. 
B)  Positive or inverse. 
C)  Nominal or ordinal. 
D)  Ordinal or interval.

Question 13

Match the concept with the definition.
-Frequency polygon

Accepted Answer

A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces 
A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces

Question 14

Match the cross-tabulation concept with the definition.
-Strength

Accepted Answer

A)  The amount by which the percentage distributions vary between categories of the independent variable 
B)  A bell-shaped distribution centered on the mean 
C)  When values on the dependent variable tend to increase or decrease with an increase in value on the independent variable 
D)  There is a pattern of percentage distributions that vary between categories of the dependent variable 
A)  The amount by which the percentage distributions vary between categories of the independent variable 
B)  A bell-shaped distribution centered on the mean 
C)  When values on the dependent variable tend to increase or decrease with an increase in value on the independent variable 
D)  There is a pattern of percentage distributions that vary between categories of the dependent variable

Question 15

Match the concept with the definition.
-Column

Accepted Answer

A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values. 
A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values.

Question 16

Match the concept with the definition.
-Histogram

Accepted Answer

A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces 
A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces

Question 17

Match the concept with the definition.
-Marginals

Accepted Answer

A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values. 
A)  The total number cases in the distribution 
B)  Part of table between row and column labels and row and column totals 
C)  Frequency distributions for independent and dependent variables 
D)  Typically divided into categories of the independent variable 
E)  Combinations of row and column values that represent unique combinations of values.

Question 18

For questions refer to the following table: Drug use by educational level
  
-In this table, how many persons with at least a high school education use drugs?

Accepted Answer

A)  310 
B)  400 
C)  190 
D)  500 
E)  120 
A)  310 
B)  400 
C)  190 
D)  500 
E)  120

Question 19

What are the problems that occur when comparisons are made across ethnic groups?

Accepted Answer

Ann Kathleen Burlew and her colleagues (

Question 20

To determine the approiateness of a particular statistic it is imporant to know which one of the following?

Accepted Answer

A)  The frequency of its occurance in the population 
B)  The level of measurement 
C)  How the information was collected 
D)  The sample from whom the data were collected. 
A)  The frequency of its occurance in the population 
B)  The level of measurement 
C)  How the information was collected 
D)  The sample from whom the data were collected.

A scatterplot is used to display the relationship between ____ continuous variables.

Match the concept with the definition. -Cell

A Type ___ error is influenced by the effect of the intervention or the strength of the relationship between an independent variable and a dependent variable.

The median in a frequency distribution is determined by identifying the value corresponding to a cumulative percentage of 50.

Quiz scores: 25, 23, 22, 17, 46, 42, 105. What is the mean score?

The mode is the only appropriate measure of central tendency for nominal variables.

In a normal distribution, about 68 percent of all cases will fall between plus or minus one standard deviations from the mean.

Match the cross-tabulation concept with the definition. -Existence

Match the concept with the definition. -Bar chart

Why is it important to assign a unique identifying number to each respondent?

Match the concept with the definition. -Mode

The skewness of a data distribution can be

Match the concept with the definition. -Frequency polygon

Match the cross-tabulation concept with the definition. -Strength

Match the concept with the definition. -Column

Match the concept with the definition. -Histogram

Match the concept with the definition. -Marginals

For questions refer to the following table: Drug use by educational level -In this table, how many persons with at least a high school education use drugs?

What are the problems that occur when comparisons are made across ethnic groups?

To determine the approiateness of a particular statistic it is imporant to know which one of the following?

Science, Society, and Social Work Research

The Process of Social Work Research

Ethical and Scientific Guidelines for Social Work Research

Measurement

Sampling

Causation and Research Design

Group Experimental Designs

Single-Subject Design

Survey Research

Qualitative Methods

Qualitative Data Analysis

Secondary Data Analysis and Mixed Methods

Evaluation Research

Reporting Research

Filters

Exam 14: Quantitative Data Analysis

A scatterplot is used to display the relationship between ____ continuous variables.

Match the concept with the definition. -Cell

A Type ___ error is influenced by the effect of the intervention or the strength of the relationship between an independent variable and a dependent variable.

The median in a frequency distribution is determined by identifying the value corresponding to a cumulative percentage of 50.

Quiz scores: 25, 23, 22, 17, 46, 42, 105. What is the mean score?

The mode is the only appropriate measure of central tendency for nominal variables.

In a normal distribution, about 68 percent of all cases will fall between plus or minus one standard deviations from the mean.

Match the cross-tabulation concept with the definition. -Existence

Match the concept with the definition. -Bar chart

Why is it important to assign a unique identifying number to each respondent?

Match the concept with the definition. -Mode

The skewness of a data distribution can be

Match the concept with the definition. -Frequency polygon

Match the cross-tabulation concept with the definition. -Strength

Match the concept with the definition. -Column

Match the concept with the definition. -Histogram

Match the concept with the definition. -Marginals

For questions refer to the following table: Drug use by educational level -In this table, how many persons with at least a high school education use drugs?

What are the problems that occur when comparisons are made across ethnic groups?

To determine the approiateness of a particular statistic it is imporant to know which one of the following?

Science, Society, and Social Work Research

The Process of Social Work Research

Ethical and Scientific Guidelines for Social Work Research

Measurement

Sampling

Causation and Research Design

Group Experimental Designs

Single-Subject Design

Survey Research

Qualitative Methods

Qualitative Data Analysis

Secondary Data Analysis and Mixed Methods

Evaluation Research

Reporting Research

Filters