Deck 13: Analyzing Problems: Application of Techniques Part I

Question 1

In a city with 50 burglaries in Year 1 and 65 burglaries in Year 2, what is the percent change?

A)15 burglaries
B)15%
C)30%
D)65 burglaries

Answer 1

C

Question 2

Which type of chart is best to compare proportions of a variable in two time periods?

A)Line chart
B)Scatterplot
C)Pie chart
D)Bar chart

Answer 2

C

Question 3

In a city with no homicides in Year 1 and 5 in Year 2, what is the percent change?

A)5 homicides
B)500%
C)100%
D)None of the above

Answer 3

D

Question 4

Which type of chart is best to illustrate the number of crimes in ten police beats?

A)Line chart
B)Area chart
C)Histogram
D)Pie chart
E)Bar chart

Question 5

Crosstabulation is often used in crime analysis to examine:

A)Day of month/month of year
B)Type of crime/type of suspect
C)Time of day/day of week
D)Calls for service/crime

Question 6

The number of Part I crimes in an area divided by the number of people living in the area multiplied by 100,000 is called:

A)Crime rate
B)Arrest rate
C)Recovery crime rate
D)Clearance rate

Question 7

Three stages of a crime include:

A)Planning, execution, consequences
B)Surveillance, crime act, aftermath
C)Prelude, incident, aftermath
D)None of the above

Question 8

The percentage of vehicles that have been stolen in a jurisdiction and subsequently found is called:

A)Recovery rate
B)Arrest rate
C)Percentage found
D)Clearance rate

Question 9

"Anticipatory benefit" is when:

A)Police expect their responses to work
B)A hypothesis about what is expected from a crime prevention response
C)There are combined effects of multiple responses on a problem
D)A particular problem may begin to increase before the responses are complete
E)None of the above

Question 10

Which city or cities has the highest crime rate?

A)City A: 2,000 crimes and 50,000 people
B)City B: 1,456 crimes per 100,000 people
C)City C: 3,000 crimes and 200,000 people
D)A and C

Question 11

Which is not a variable that crime analyst analyze using mean and standard deviation?

A)The number of incidents per area
B)The number of arrests per month
C)The age of offenders
D)The type of crime

Question 12

The ratio of crimes that have been resolved through arrest and exceptional means is called:

A)Crime rate
B)Arrest rate
C)Recovery rate
D)Clearance rate

Question 13

Most crime statistics published by the FBI on a national level are tabulated

A)By year
B)By month
C)By quarter
D)By type of offender
E)By neighborhood

Question 14

When computing the number of burglaries at apartment units rate), apartment units is the:

A)Numerator
B)Multiplier
C)Denominator
D)Mode

Question 15

The number of crimes in an area divided by the number of people living in the area is called:

A)Crime rate
B)Arrest rate
C)Recovery crime rate
D)Clearance rate

Question 16

Some problems with using frequency in crime analysis include all except:

A)The most amount of crime doesn't always mean the worst
B)Frequency may distort a problem by comparing unlike areas
C)Variables with a small number of values may be difficult to illustrate in a table or chart
D)Frequency of a variable with small numbers can be meaningless

Question 17

When computing the number of burglaries at apartment units rate), number of burglaries is the:

A)Numerator
B)Multiplier
C)Denominator
D)Mode

Question 18

Depicting crime counts by four week periods instead of by month is:

A)Preferable since four week periods allow equal measurement of time
B)Is used more often in crime analysis
C)Is not preferable since four week periods are difficult to construct from data
D)None of the above

Question 19

Which type of chart is best to compare the percentages of violent vs.property crime in 2008 and 2009?

A)Line chart
B)Scatterplot
C)Pie chart
D)Bar chart

Question 20

Which type of chart is best to illustrate the number of thefts by month?

A)Line chart
B)Scatterplot
C)Pie chart
D)Histogram
E)Bar chart

Question 21

Temporal analysis is important for understanding problems because it provides information about when the crimes are occurring for short term patrol deployment.

Question 22

Typically, the time unit most often used in strategic crime analysis to describe a problem is a month.

Question 23

Strategic crime analysts use time of day/day of week analysis and weighted time span analysis to determine long term trends in crime.

Question 24

Crime analysts use three rates regularly: crime rate, arrest rate, and recovery rate.

Question 25

Typically, the largest time unit used in strategic crime analysis to describe a problem is a month.

Question 26

In the following chart, which time of day/day of week contains the highest number of calls:

A)Monday and Tuesday, 3:00am to 5:00am
B)Saturday from 9:00pm to 10:00pm
C)Thursday and Friday, 7:00pm
D)Wednesday, 5:00pm

Question 27

Which is true about the following weighted time span chart?

A)Most of the crimes occurred from 1300 to 1359
B)Highest percentage of crimes occurred from 0900 to 1359
C)The highest percentage of the time spans of the cases fall between 1000 and 1359
D)None are true

Question 28

The following is an example of seasonality of a problem:

A)Every summer there are theft from lockers at the local water park
B)In the holiday season of 2009 robberies increased 70%
C)Every year during the 4^th of July weekend there is a problem of people falling in the river after viewing fireworks
D)A and b
E)A and c