Question 1

To determine if age,education,and parental support have a measurable effect on if children become delinquent or not,which of the following should be performed?

Accepted Answer

A)   univariate analysis.
B)   multivariate analysis.
C)   bivariate analysis.
D)   frequency table.
E)   standard deviation.

Question 2

The College of Arts and Science at Delta University has nine departments.The number of faculty in each department is shown below.What is the mean number of faculty in departments in the College of Arts and Science? 8,12,9,15,17,11,13,14,7

Accepted Answer

A)   12.
B)   17.
C)   10.7.
D)   11.8.
E)   15.

Question 3

Which two functions does a codebook serve?

Accepted Answer

A)  It keeps track of how many respondents exist and keeps track of determining how many cases are coded.
B)  It keeps track of determining how many cases are coded and serves as the primary guide used in the coding process.
C)  It serves as the primary guide used in the coding process and serves as a guide for locating variables and interpreting codes.
D)  It serves as a guide for locating variables and interpreting codes, and keeps track of how many respondents exist.
E)  missing data analysis

Question 4

Subgroup comparisons are done by

Accepted Answer

A)  dividing cases (subjects or respondents)  into subgroups, describing each subgroup in terms of a given variable, and comparing those descriptions across subgroups.
B)  dividing, describing, and comparing subgroups on independent and dependent variables.
C)  analyzing the simultaneous relationships among several variables among subgroups.
D)  dividing, describing, and comparing subgroups based on mean values.
E)  multiplying subgroups based upon mean values.

Question 5

Coding should always begin with a relatively well-developed coding scheme derived from your research purpose.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statistics can be calculated on continuous data?

Accepted Answer

A)  mean
B)  median
C)  standard deviation
D)  the mean, the median, and the standard deviation
E)  the mean and the standard deviation

Question 7

The best method to measure the amount of dispersion of employee income in a shoe factory is

Accepted Answer

A)  mode.
B)  mean.
C)  median.
D)  range.
E)  outliers.

Question 8

Ethical issues still need to be considered when performing quantitative research.

Accepted Answer

A) True 
 B)False

Question 9

Whereas univariate analysis and subgroup comparisons focus on the descriptions of the people under study,the focus of bivariate analysis is on the relationships among the variables themselves.

Accepted Answer

A) True 
 B)False

Question 10

Given the following distribution 12,4,19,20,6,18,16,10,the mean is

Accepted Answer

A)   18.
B)   15.
C)   27.
D)   4.
E)   20.

Question 11

A friend showed you the following table:

Which of the following statements illustrates an INCORRECT reading of the table above?

Accepted Answer

A)  The cases were divided into groups according to their attributes on sex.
B)  Being a female makes you more than twice as likely to commit a property crime (30 versus 70 percent) .
C)  Females are more likely than males to commit violent crimes.
D)  Males are more likely than females to commit property crimes.
E)  Males are less likely to commit violent crimes.

Question 12

When examining the income levels within a major urban area,Ernest wanted to summarize his findings of a skewed distribution.Which measure of central tendency should he use?

Accepted Answer

A)   mean.
B)   standard deviation.
C)   range.
D)   median.
E)   mode.

Question 13

If the standard deviation equals 0,we may conclude that

Accepted Answer

A)  there is no dispersion in the data.
B)  the mean is a good measure of the average.
C)  the data are homogeneous.
D)  there is no dispersion in the data and the mean is a good measure of the average.
E)  there is no dispersion in the data, the mean is a good measure of the average, and the data are homogeneous.

Question 14

In multivariate analysis a second dependent variable is added.

Accepted Answer

A) True 
 B)False

Question 15

Jennifer's research project to correlate temperatures with crime rates in urban areas uses temperature as an independent variable.What type of variable is this?

Accepted Answer

A)  nominal variable
B)  dichotomous variable
C)  categorical variable
D)  discrete variable
E)  continuous variable

Question 16

Percentage tables and scatterplots are both valid methods for evaluating bivariate relationships.

Accepted Answer

A) True 
 B)False

Question 17

In reading a table that someone else has constructed,the rule of thumb is

Accepted Answer

A)  if the table is percentaged down, read across, and if the table is percentaged across, read down.
B)  if the table is percentaged down, read down.
C)  if the table is percentaged across, read across.
D)  if the table is percentaged down, read down, and if the table is percentaged across, read across.
E)  there is no rule of thumb for reading percentages in a table that someone else has constructed.

Question 18

Which of the following is a measure of dispersion?

Accepted Answer

A)   mean.
B)   median.
C)   range.
D)   mode.
E)   none of these choices are correct.

Question 19

A nominal variable is a discrete variable.

Accepted Answer

A) True 
 B)False

Question 20

The best way to handle "don't know" responses is to

Accepted Answer

A)  delete them before calculating percentages.
B)  include them before calculating percentages.
C)  simply split them proportionately among the remaining categories.
D)  decide first what makes sense in terms of your research purposes.
E)  delete half of them, and include the other half

Exam 14: Quantitative Data Analysis

Percentage tables and scatterplots are both valid methods for evaluating bivariate relationships.

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Jennifer's research project to correlate temperatures with crime rates in urban areas uses temperature as an independent variable.What type of variable is this?

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Subgroup comparisons are done by

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When examining the income levels within a major urban area,Ernest wanted to summarize his findings of a skewed distribution.Which measure of central tendency should he use?

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Which of the following statistics can be calculated on continuous data?

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Ethical issues still need to be considered when performing quantitative research.

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The best way to handle "don't know" responses is to

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Which two functions does a codebook serve?

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In reading a table that someone else has constructed,the rule of thumb is

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Coding should always begin with a relatively well-developed coding scheme derived from your research purpose.

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The best method to measure the amount of dispersion of employee income in a shoe factory is

Correct AnswerverifiedShow Answer

If the standard deviation equals 0,we may conclude that

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Which of the following is a measure of dispersion?

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A friend showed you the following table: Which of the following statements illustrates an INCORRECT reading of the table above?

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Whereas univariate analysis and subgroup comparisons focus on the descriptions of the people under study,the focus of bivariate analysis is on the relationships among the variables themselves.

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In multivariate analysis a second dependent variable is added.

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A nominal variable is a discrete variable.

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The College of Arts and Science at Delta University has nine departments.The number of faculty in each department is shown below.What is the mean number of faculty in departments in the College of Arts and Science? 8,12,9,15,17,11,13,14,7

Correct AnswerverifiedShow Answer

To determine if age,education,and parental support have a measurable effect on if children become delinquent or not,which of the following should be performed?

Correct AnswerverifiedShow Answer

Given the following distribution 12,4,19,20,6,18,16,10,the mean is

Correct AnswerverifiedShow Answer

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