Question 1

The proportion of 100 released prisoners who get rearrested within three years is 24 percent for the 50 who attended a bible studies program in prison and 30 percent for the 50 who did not attend.Does this mean that prisoners who attend bible studies programs are less likely to get arrested within three years than those who do not attend? Explain your answer on statistical grounds.

Accepted Answer

The answer of The proportion of 100 released prisoners who...

Question 2

If an experimental group's mean of 20 indicates fewer undesirable symptoms than the control group's mean of 25,and the standard deviation is 10,then the Cohen's d effect size should be reported as:

Accepted Answer

A)  + .50 
B)  - .50 
C)  +5.0 
D)  - 5.0

Question 3

Explain the difference between statistical significance,relationship strength,and substantive significance.

Accepted Answer

The answer of Explain the difference between statistical significance,relationship strength,and...

Question 4

Given the following age distribution,the mean is
18,33,7,32,6,5,4

Accepted Answer

A)  4 
B)  7 
C)  15 
D)  32 
E)  cannot compute from the information given.

Question 5

Interpret the following frequency distribution portraying client responses to the question,"How satisfied are you with the services you've received from this agency?"
Satisfaction Level f
Very satisfied 60
Moderately satisfied 50
Slightly satisfied 40
Slightly dissatisfied 40
Moderately dissatisfied 50
Very dissatisfied 60
No Answer 20 44

Accepted Answer

The answer of Interpret the following frequency distribution portraying client...

Question 6

If the table were collapsed into a bivariate table with only two rows and two columns,deleting the type of illness variable,recipients of social work services would appear to be more likely to die in the hospital.

Accepted Answer

A) True 
 B)False

Question 7

Coding refers to:

Accepted Answer

A)  the assignment of a number or numeral to the attributes of a variable. 
B)  the assignment of a row in a data matrix to each questionnaire item. 
C)  the assignment of a number or numeral to each questionnaire item. 
D)  transferring variables to the computer. 
E)  the assignment of a variable to a computer column.

Question 8

The mean is almost always sufficient in portraying the typical case in a distribution.

Accepted Answer

A) True 
 B)False

Question 9

Given the following age distribution,the range is
12,15,8,17,34,43,2,16,43,3

Accepted Answer

A)  12, 3 
B)  17 
C)  2,17 
D)  2,43

Question 10

At what level of measurement is the variable ethnicity?

Accepted Answer

A)  Nominal. 
B)  Ordinal. 
C)  Ratio. 
D)  Interval.

Question 11

At what level of measurement is the variable number of future incidents of child neglect?

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Ratio 
D)  Interval

Question 12

The substantive significance of a relationship is always automatically indicated by the strength of the relationship.

Accepted Answer

A) True 
 B)False

Question 13

The odds ratio shows how much more or less likely a certain dependent variable outcome is for the categories of the independent variable.

Accepted Answer

A) True 
 B)False

Question 14

Terminally ill patients are both more likely to receive social work services and to die in the hospital.

Accepted Answer

A) True 
 B)False

Exam 17: Quantitative Data Analysis

If an experimental group's mean of 20 indicates fewer undesirable symptoms than the control group's mean of 25,and the standard deviation is 10,then the Cohen's d effect size should be reported as:

Explain the difference between statistical significance,relationship strength,and substantive significance.

Given the following age distribution,the mean is 18,33,7,32,6,5,4

If the table were collapsed into a bivariate table with only two rows and two columns,deleting the type of illness variable,recipients of social work services would appear to be more likely to die in the hospital.

Coding refers to:

The mean is almost always sufficient in portraying the typical case in a distribution.

Given the following age distribution,the range is 12,15,8,17,34,43,2,16,43,3

At what level of measurement is the variable ethnicity?

At what level of measurement is the variable number of future incidents of child neglect?

The substantive significance of a relationship is always automatically indicated by the strength of the relationship.

The odds ratio shows how much more or less likely a certain dependent variable outcome is for the categories of the independent variable.

Terminally ill patients are both more likely to receive social work services and to die in the hospital.