Exam 17: Quantitative Data Analysis

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.

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

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

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.