Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Criminal Justice 302 Quantitative Applications in Criminal Justice > Notes for Quiz 4 > Flashcards

Notes for Quiz 4 Flashcards

1
Q

What is the process of decision making?

A

1) theory
2) measurement
3) descriptive statistics
4) inferential statistics
5) decision making

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Relationship is a key factor in _______ and __________ ___________.

A

theory

inferential statistics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_______ are also known as robust statistics.

A

Outliers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Outliers are also known as ______ _________.

A

robust statistics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the central tendencies of scale variables?

A

1) mean

2) median

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the central tendencies of categorical variables?

A

1) mode

2) frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False: we no longer use mode in categorical variables

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_______ _________= one rrepresentative value

A

Central tendency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the dispersion of scale variable?

A

1) range
2) variance
3) standard deviation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is mean?

A

sum of all values divided by the number of units

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

_______= center value

A

Median

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Median= _______ ______

A

center value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is mode?

A

the most frequent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is frequency?

A

number of units/attributes for each attributes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is range?

A

maximum-minimum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

________= statistical distance

A

Variance

17
Q

Variance= __________ _________

A

statistical distance

18
Q

What are the 2 types of standard deviation?

A

1) population deviation

2) sample deviation

19
Q

What are the 2 types of variance?

A

1) population variance

2) sample variance

20
Q

What is the formula for population variance?

A

sum of distance over N (number of units)

21
Q

What is the formula for sample variance?

A

sum of distance over N (number of units) minus 1

22
Q

What is the formula for population deviation?

A

Square the sum of distances over N

23
Q

What is the formula for sample deviation?

A

Square the sum of distance over N -1

Criminal Justice 302 Quantitative Applications in Criminal Justice (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions