Question 1

A count is the number of times an even occurs in the data.

Accepted Answer

A) True 
 B)False  True

Question 2

If a researcher was studying the effects of extra policing on geographically targeted areas versus control areas with no extra policing, the unit of analysis would be the police officer?

Accepted Answer

A) True 
 B)False  False

Question 3

If a researcher was studying neighborhood levels of informal social control across different neighborhoods, the neighborhood would be the unit of analysis?

Accepted Answer

A) True 
 B)False  True

Question 4

If a researcher was interested in the number of gun homicides in multiple cities across a state, what would the unit of analysis be?

Accepted Answer

A)  guns 
B)  crime 
C)  cities 
D)  people 
A)  guns 
B)  crime 
C)  cities 
D)  people

Question 5

The NCVS uses the individual as the unit analysis while the FBI uses the city or state as the unit of analysis.

Accepted Answer

A) True 
 B)False

Question 6

The following equation, $\frac{\text { Number in Subset }}{\text { Total number }} * \text { Constant }(100,000)$ , is the derivation for ______.

Accepted Answer

A)  rate 
B)  percentage 
C)  ratio 
D)  proportion 
A)  rate 
B)  percentage 
C)  ratio 
D)  proportion

Question 7

Political party identification would be an example of what type of variable?

Accepted Answer

A)  categorical 
B)  continuous 
C)  quantitative 
D)  ranked 
A)  categorical 
B)  continuous 
C)  quantitative 
D)  ranked

Question 8

You are able to gain access to a prison to distribute your survey questionnaire. You ask inmates the number of crimes they committed prior to their sentence. Their responses have been organized into the following frequency distribution table. Fill in the missing frequency and percentages.
 $\begin{array}{|l|l|l|}
\hline \# \text { of crimes committed } & \underline{f} & \underline{\%} \
\hline 0 & 20 &  \underline {   \quad \quad \quad   }\
\hline 1-2 & 9 & \
\hline 3-5 & 6 &  \underline {   \quad \quad \quad   }\
\hline 5 \text { or more } &  \underline {   \quad \quad \quad   }&  \underline {   \quad \quad \quad   }\
\hline \text { Total } & 110 & 100.0 \
\hline
\end{array}$

Accepted Answer

f = 75; % for 0 = 18

Question 9

Calculate the rate of crime per 100,000.
 $\begin{array}{|l|l|l|l|}
\hline \text { City } & \text { Number of Crimes } & \text { Total Population } & \text { Rate per } 100,000 \
\hline \text { City A } & 730,300 & 2,600,000 & \
\hline \text { City B } & 700,000 & 615,000 & \
\hline
\end{array}$

Accepted Answer

City A rate = 28,088

Question 10

Why should a researcher use rates, percentages, or proportions over simple counts and frequencies?

Accepted Answer

Answers may vary.
Students should includ

Question 11

Discuss the different levels of measurement and give an example for each.

Accepted Answer

Answers may vary.
Nominal Level variable

Question 12

The number of crimes one committed in the past 6 months is an example of which type of variable?

Accepted Answer

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

Question 13

Which of the following is an example of a quantitative variable?

Accepted Answer

A)  gender 
B)  number of crimes committed in the past year 
C)  religion 
D)  country of origin 
A)  gender 
B)  number of crimes committed in the past year 
C)  religion 
D)  country of origin

Question 14

When surveying individuals about the number of crimes they have committed, the unit of analysis is the individual.

Accepted Answer

A) True 
 B)False

Question 15

Complete the frequencies and percentages for the following table.
 $\begin{array}{|l|l|l|}
\hline \text { Age of Respondent } & \underline{f} & \underline{\%} \
\hline \text { Under } 18 & 15 & \underline {   \quad \quad \quad   }  \
\hline 18-30 & 29 &\
\hline 31-50 &  \underline {   \quad \quad \quad   }& 22.1 \
\hline 50 \text { and older } &  \underline {   \quad \quad \quad   }& \underline {   \quad \quad \quad   } \
\hline & & \underline {   \quad \quad \quad   } \
\hline & & \
\hline \text { Total } & 86 & 100.0 \
\hline
\end{array}$

Accepted Answer

% for under 18 is 17.4; % for

Question 16

To be classified as an ______ variable the difference between adjacent values along the measurement scale must be the same at every two points.

Accepted Answer

A)  nominal-level 
B)  ordinal-level 
C)  interval-level 
D)  ratio-level 
A)  nominal-level 
B)  ordinal-level 
C)  interval-level 
D)  ratio-level

Question 17

Interval and ratio level variables are considered continuous measures.

Accepted Answer

A) True 
 B)False

Question 18

A respondent's race would be considered a ______.

Accepted Answer

A)  variable 
B)  constant 
C)  unit of analysis 
A)  variable 
B)  constant 
C)  unit of analysis

Question 19

If your hometown had a population of 100,000 and had 10 homicides last year, what would the homicide rate per 1,000 be?

Accepted Answer

A)  0.01 
B)  0.10 
C)  0.001 
D)  0.0001 
A)  0.01 
B)  0.10 
C)  0.001 
D)  0.0001

Question 20

On a survey, individuals are asked how fearful of crime they are in their neighborhood. The answer choices are 1 = very fearful; 2 = somewhat fearful; 3 = not very fearful; 4 = not fearful at all. This is an example of which type of variable?

Accepted Answer

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

A count is the number of times an even occurs in the data.

If a researcher was studying the effects of extra policing on geographically targeted areas versus control areas with no extra policing, the unit of analysis would be the police officer?

If a researcher was studying neighborhood levels of informal social control across different neighborhoods, the neighborhood would be the unit of analysis?

If a researcher was interested in the number of gun homicides in multiple cities across a state, what would the unit of analysis be?

The NCVS uses the individual as the unit analysis while the FBI uses the city or state as the unit of analysis.

The following equation, $\frac{\text { Number in Subset }}{\text { Total number }} * \text { Constant }(100,000)$ , is the derivation for ______.

Political party identification would be an example of what type of variable?

Calculate the rate of crime per 100,000. City Number of Crimes Total Population Rate per 100,000 City A 730,300 2,600,000 City B 700,000 615,000

Why should a researcher use rates, percentages, or proportions over simple counts and frequencies?

Discuss the different levels of measurement and give an example for each.

The number of crimes one committed in the past 6 months is an example of which type of variable?

Which of the following is an example of a quantitative variable?

When surveying individuals about the number of crimes they have committed, the unit of analysis is the individual.

Complete the frequencies and percentages for the following table. Age of Respondent Under 18 15 18-30 29 31-50 22.1 50 and older Total 86 100.0

To be classified as an ______ variable the difference between adjacent values along the measurement scale must be the same at every two points.

Interval and ratio level variables are considered continuous measures.

A respondent's race would be considered a ______.

If your hometown had a population of 100,000 and had 10 homicides last year, what would the homicide rate per 1,000 be?

On a survey, individuals are asked how fearful of crime they are in their neighborhood. The answer choices are 1 = very fearful; 2 = somewhat fearful; 3 = not very fearful; 4 = not fearful at all. This is an example of which type of variable?

The Importance of Statistics in the Criminological Sciences or Why Do I Have to Learn This Stuff

Data Visualization Techniques: Ways of Understanding Data Distributions

Measures of Central Tendency

Measures of Dispersion

Probability, Probability Distributions, and an Introduction to Inferential Statistics

Point Estimation and Confidence Intervals

From Estimation to Statistical Tests: Hypothesis Testing for One Population Mean and Proportion

Testing Hypotheses With Categorical Data

Hypothesis Tests Involving Two Population Means or Proportions

Hypothesis Involving Three or More Population Means: Analysis of Variance

Bivariate Correlation and Regression

Controlling for a Third Variable: Multiple OlS Regression

Regression Analysis With a Dichotomous Dependent Variable: Logit Models

Filters

Exam 2: Levels of Measurement and Aggregation

A count is the number of times an even occurs in the data.

If a researcher was studying the effects of extra policing on geographically targeted areas versus control areas with no extra policing, the unit of analysis would be the police officer?

If a researcher was studying neighborhood levels of informal social control across different neighborhoods, the neighborhood would be the unit of analysis?

If a researcher was interested in the number of gun homicides in multiple cities across a state, what would the unit of analysis be?

The NCVS uses the individual as the unit analysis while the FBI uses the city or state as the unit of analysis.

The following equation, Number in Subset Total number ∗ Constant (100,000)\frac{\text { Number in Subset }}{\text { Total number }} * \text { Constant }(100,000) Total number Number in Subset ​∗ Constant (100,000) , is the derivation for ______.

Political party identification would be an example of what type of variable?

Calculate the rate of crime per 100,000. City Number of Crimes Total Population Rate per 100,000 City A 730,300 2,600,000 City B 700,000 615,000

Why should a researcher use rates, percentages, or proportions over simple counts and frequencies?

Discuss the different levels of measurement and give an example for each.

The number of crimes one committed in the past 6 months is an example of which type of variable?

Which of the following is an example of a quantitative variable?

When surveying individuals about the number of crimes they have committed, the unit of analysis is the individual.

Complete the frequencies and percentages for the following table. Age of Respondent Under 18 15 18-30 29 31-50 22.1 50 and older Total 86 100.0

To be classified as an ______ variable the difference between adjacent values along the measurement scale must be the same at every two points.

Interval and ratio level variables are considered continuous measures.

A respondent's race would be considered a ______.

If your hometown had a population of 100,000 and had 10 homicides last year, what would the homicide rate per 1,000 be?

On a survey, individuals are asked how fearful of crime they are in their neighborhood. The answer choices are 1 = very fearful; 2 = somewhat fearful; 3 = not very fearful; 4 = not fearful at all. This is an example of which type of variable?

The Importance of Statistics in the Criminological Sciences or Why Do I Have to Learn This Stuff

Data Visualization Techniques: Ways of Understanding Data Distributions

Measures of Central Tendency

Measures of Dispersion

Probability, Probability Distributions, and an Introduction to Inferential Statistics

Point Estimation and Confidence Intervals

From Estimation to Statistical Tests: Hypothesis Testing for One Population Mean and Proportion

Testing Hypotheses With Categorical Data

Hypothesis Tests Involving Two Population Means or Proportions

Hypothesis Involving Three or More Population Means: Analysis of Variance

Bivariate Correlation and Regression

Controlling for a Third Variable: Multiple OlS Regression

Regression Analysis With a Dichotomous Dependent Variable: Logit Models

Filters

The following equation, $\frac{\text { Number in Subset }}{\text { Total number }} * \text { Constant }(100,000)$ , is the derivation for ______.