Question 1

The appropriate measure of association when using nominal variables is:

Accepted Answer

A)  regression 
B)  lambda 
C)  correlation 
D)  standard deviation 
A)  regression 
B)  lambda 
C)  correlation 
D)  standard deviation

Question 2

Which of the following is an accurate statement?

Accepted Answer

A)  if the mean is much higher than the mode, it indicates that there are extreme cases 
B)  if the standard deviation is high, it indicates that there is little variability 
C)  if the mean is equal to the median and mode, the elements in the population are all the same number 
D)  the degree of variability can be determined by using the mean 
A)  if the mean is much higher than the mode, it indicates that there are extreme cases 
B)  if the standard deviation is high, it indicates that there is little variability 
C)  if the mean is equal to the median and mode, the elements in the population are all the same number 
D)  the degree of variability can be determined by using the mean

Question 3

When calculating the mean the researcher should use data measured at which level?

Accepted Answer

A)  nominal 
B)  ordinal 
C)  interval 
D)  discrete 
A)  nominal 
B)  ordinal 
C)  interval 
D)  discrete

Question 4

On which of the following variables is it appropriate to use a Pearson's product-moment correlation as a means of measuring association?

Accepted Answer

A)  gender 
B)  number of arrests 
C)  race 
D)  all of the above 
A)  gender 
B)  number of arrests 
C)  race 
D)  all of the above

Question 5

The standard deviation is the square root of the  ______________.

Accepted Answer

The answer of The standard deviation is the square root...

Question 6

With respect to lambda, which of the following is not true?

Accepted Answer

A)  lambda represents the reduction in errors as a proportion of the errors that would have been made on the basis of the overall distribution 
B)  lambda is appropriate for ratio-level variables 
C)  lambda measures the statistical association between two nominal variables 
D)  lambda is based on the ability to guess values on one of the variables by having knowledge of values on the other variables 
A)  lambda represents the reduction in errors as a proportion of the errors that would have been made on the basis of the overall distribution 
B)  lambda is appropriate for ratio-level variables 
C)  lambda measures the statistical association between two nominal variables 
D)  lambda is based on the ability to guess values on one of the variables by having knowledge of values on the other variables

Question 7

Frequency distributions of grouped data, known as __________, will allow for a manageable format but with some loss of detail.

Accepted Answer

The answer of Frequency distributions of grouped data, known as...

Question 8

_____________ examines the distribution of cases on only one variable at a time.

Accepted Answer

A)  Univariate analysis. 
B)  Bivariate analysis. 
C)  Multivariate analysis. 
D)  Program analysis 
A)  Univariate analysis. 
B)  Bivariate analysis. 
C)  Multivariate analysis. 
D)  Program analysis

Question 9

Dr. Jones wanted to display the findings of the sentences given in his local courthouse on one summer day. If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

Accepted Answer

A)  the mean is 24 
B)  the median is 24 
C)  the mode is 24 
D)  mean, median, and mode are the same 
A)  the mean is 24 
B)  the median is 24 
C)  the mode is 24 
D)  mean, median, and mode are the same

Question 10

The most frequent attribute, the __________ can be reported from either grouped or ungrouped data.

Accepted Answer

The answer of The most frequent attribute, the __________ can...

Question 11

Computations for making inferences from findings based on sample observations to some larger population are

Accepted Answer

A)  Quantitative statistics 
B)  Qualitative statistics. 
C)  Inferential statistics. 
D)  Descriptive statistics. 
A)  Quantitative statistics 
B)  Qualitative statistics. 
C)  Inferential statistics. 
D)  Descriptive statistics.

Question 12

Computations that describe either the characteristics of a variable or the relationship among variables are

Accepted Answer

A)  Descriptive statistics. 
B)  Inferential statistics. 
C)  Qualitative statistics. 
D)  Quantitative statistics. 
A)  Descriptive statistics. 
B)  Inferential statistics. 
C)  Qualitative statistics. 
D)  Quantitative statistics.

Question 13

Which of the following is not accurate concerning the construction of explanatory bivariate tables?

Accepted Answer

A)  the cases are divided into groups according to attributes of the independent variable 
B)  each of the subgroups is then described in terms of attributes of the dependent variable 
C)  the table is read by comparing the independent variable subgroups with one another in terms of a given attribute of the dependent variable 
D)  if the table is percentaged down, read down; and if the table is percentaged across, read across 
A)  the cases are divided into groups according to attributes of the independent variable 
B)  each of the subgroups is then described in terms of attributes of the dependent variable 
C)  the table is read by comparing the independent variable subgroups with one another in terms of a given attribute of the dependent variable 
D)  if the table is percentaged down, read down; and if the table is percentaged across, read across

Question 14

Summary statistics, or measures of central tendency, include the mode, mean, and median.

Accepted Answer

A) True 
 B)False

Question 15

Bivariate analyses typically have an explanatory purpose.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not one of the levels of significance typically used in social science research reports?

Accepted Answer

A)  .05 
B)  .10 
C)  .01 
D)  .001 
A)  .05 
B)  .10 
C)  .01 
D)  .001

Question 17

The number of counts on an indictment is an example of what type of variable?

Accepted Answer

A)  nominal 
B)  discrete 
C)  continuous 
D)  ordinal 
A)  nominal 
B)  discrete 
C)  continuous 
D)  ordinal

Question 18

To calculate the mean for grouped data, which of the following steps should not be completed?

Accepted Answer

A)  multiply the number of subjects within each category by the value of that category 
B)  total the results of the multiplication 
C)  divide by the number of categories 
D)  divide by the number of subjects 
A)  multiply the number of subjects within each category by the value of that category 
B)  total the results of the multiplication 
C)  divide by the number of categories 
D)  divide by the number of subjects

Question 19

When reading a table for bivariate analysis that displays percentages of some attributes, what is the rule of thumb for reading the table?

Accepted Answer

A)  if it adds up to 100 percent, the statistics are accurate 
B)  if the table is percentaged down, read across; and if the table is percentaged across, read down 
C)  if the table is percentaged down, read down; and if the table is percentaged across, read across 
D)  none of the above 
A)  if it adds up to 100 percent, the statistics are accurate 
B)  if the table is percentaged down, read across; and if the table is percentaged across, read down 
C)  if the table is percentaged down, read down; and if the table is percentaged across, read across 
D)  none of the above

Question 20

When using inferential statistics, all of the following assumptions are accurate except:

Accepted Answer

A)  the sample must be drawn from the population about which inferences are being made 
B)  the inferential statistics assume simple random sampling 
C)  as long as the sample is drawn from a population that resembles the one about which inferences are to be made, the resulting statistic has value 
D)  inferential statistics are addressed to sampling error only, they do not consider nonsampling errors 
A)  the sample must be drawn from the population about which inferences are being made 
B)  the inferential statistics assume simple random sampling 
C)  as long as the sample is drawn from a population that resembles the one about which inferences are to be made, the resulting statistic has value 
D)  inferential statistics are addressed to sampling error only, they do not consider nonsampling errors

The appropriate measure of association when using nominal variables is:

Which of the following is an accurate statement?

When calculating the mean the researcher should use data measured at which level?

On which of the following variables is it appropriate to use a Pearson's product-moment correlation as a means of measuring association?

The standard deviation is the square root of the ______________.

With respect to lambda, which of the following is not true?

Frequency distributions of grouped data, known as __________, will allow for a manageable format but with some loss of detail.

_____________ examines the distribution of cases on only one variable at a time.

Dr. Jones wanted to display the findings of the sentences given in his local courthouse on one summer day. If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

The most frequent attribute, the __________ can be reported from either grouped or ungrouped data.

Computations for making inferences from findings based on sample observations to some larger population are

Computations that describe either the characteristics of a variable or the relationship among variables are

Which of the following is not accurate concerning the construction of explanatory bivariate tables?

Summary statistics, or measures of central tendency, include the mode, mean, and median.

Bivariate analyses typically have an explanatory purpose.

Which of the following is not one of the levels of significance typically used in social science research reports?

The number of counts on an indictment is an example of what type of variable?

To calculate the mean for grouped data, which of the following steps should not be completed?

When reading a table for bivariate analysis that displays percentages of some attributes, what is the rule of thumb for reading the table?

When using inferential statistics, all of the following assumptions are accurate except:

Crime Criminal Justice and Scientific Inquiry

Foundations of Criminal Justice Research

Ethics and Criminal Justice Research

General Issues in Research Design

Concepts Operationalization and Measurement

Measuring Crime

Experimental and Quasi Experimental Designs

Sampling

Survey Research

Qualitative Interviewing

Field Observation

Agency Records Content Analysis and Secondary Data

Evaluation Research and Problem Analysis

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Exam 14: Interpreting Data

The appropriate measure of association when using nominal variables is:

Which of the following is an accurate statement?

When calculating the mean the researcher should use data measured at which level?

On which of the following variables is it appropriate to use a Pearson's product-moment correlation as a means of measuring association?

The standard deviation is the square root of the ______________.

With respect to lambda, which of the following is not true?

Frequency distributions of grouped data, known as __________, will allow for a manageable format but with some loss of detail.

_____________ examines the distribution of cases on only one variable at a time.

Dr. Jones wanted to display the findings of the sentences given in his local courthouse on one summer day. If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

The most frequent attribute, the __________ can be reported from either grouped or ungrouped data.

Computations for making inferences from findings based on sample observations to some larger population are

Computations that describe either the characteristics of a variable or the relationship among variables are

Which of the following is not accurate concerning the construction of explanatory bivariate tables?

Summary statistics, or measures of central tendency, include the mode, mean, and median.

Bivariate analyses typically have an explanatory purpose.

Which of the following is not one of the levels of significance typically used in social science research reports?

The number of counts on an indictment is an example of what type of variable?

To calculate the mean for grouped data, which of the following steps should not be completed?

When reading a table for bivariate analysis that displays percentages of some attributes, what is the rule of thumb for reading the table?

When using inferential statistics, all of the following assumptions are accurate except:

Crime Criminal Justice and Scientific Inquiry

Foundations of Criminal Justice Research

Ethics and Criminal Justice Research

General Issues in Research Design

Concepts Operationalization and Measurement

Measuring Crime

Experimental and Quasi Experimental Designs

Sampling

Survey Research

Qualitative Interviewing

Field Observation

Agency Records Content Analysis and Secondary Data

Evaluation Research and Problem Analysis

Filters