Exam 14: Data and Information Analysis

A statistical technique that is used to determine whether or not two or more groups are different with respect to a single variable measured at the interval or ratio level of measurement is:

A recent study of crime in Bigton revealed that 10 of every 10,000 residents has been a victim of crime in the past year. The statistic used here is a:

The main disadvantage of the mean is that it is:

Compared to the physical sciences, like biology, chemistry, or physics, research methods in the social sciences, like criminal justice, sociology or economics, are:

The City of Bigton is having a problem with graffiti. The Mayor decides that the only logical way to reduce graffiti is to increase the penalty. The City Council agrees and increases the penalty. However, incidents of graffiti continue to increase. Which of the following alternatives to research is the Mayor using?

You have been asked to make a presentation on a subject that you know very little about. What source(s) would you consult to obtain a general overview of the subject?

A chi square is an example of:

The Chief Probation Officer has asked one of his assistants to conduct an analysis of the probationers under the supervision of the Probation Department. The Chief wants to know basic information that describes the "typical" probationer, such as age, gender, criminal history, and length of probation. Into which of the following research categories would this research project best fit?

In a normal distribution of IQ scores, where the mean is 100 and the standard deviation is 10, what percent of the cases have IQ scores from 90 to 110?

A researcher is studying a sample of teenagers who attend a youth program intended to prevent juvenile delinquency. She is interested in describing the sample and begins by calculating the average age of the teenagers in the program. The statistic used here is a(n):

A researcher finds that the mean average number of alcoholic beverages imbibed by college professors is six drinks per week, while the median average is only three. What is the likely cause of this?

Frustrated with the new intake process, a probation officer complains to her boss. "It just doesn't make sense." The supervisor encourages the probation officer to "give the new system a chance" because "after all, it was designed by the leading expert on juvenile probation in the nation." Which of the following alternatives to research is the supervisor using?

The median is the most appropriate measure of central tendency when:

A score at the 75th percentile means:

A rate is an example of:

The decision about which statistical technique to use for analyzing data depends on:

The observations of Burgess and Akers produced the first real insight into the process by which juveniles become members of criminal gangs. The objective of this research are:

A t-score is an example of:

A researcher develops a flow chart to illustrate the process by which men and women progress through a typical policing career. Which qualitative analysis technique is being used?

A state senator is making a speech before the legislature and declares, "Racial profiling is an epidemic throughout our state." When asked to provide proof of this statement, the senator points to a large folder full of newspaper and magazine articles on racial profiling. Which of the following alternatives to research is the state senator using?