Question 1

Measures of central tendency include all except _____.

Accepted Answer

A) standard deviation 
B) median 
C) mean 
D) mode 
A) standard deviation 
B) median 
C) mean 
D) mode A

Question 2

To calculate the mean for grouped data, which of the following steps must be completed?

Accepted Answer

A) multiply the number of subjects within each category by the value of that category 
B) divide the results of the multiplication 
C) multiply by the number of subjects 
D) multiply each large number with the smaller numbers 
A) multiply the number of subjects within each category by the value of that category 
B) divide the results of the multiplication 
C) multiply by the number of subjects 
D) multiply each large number with the smaller numbers D

Question 3

Professor White asked his students to put the number of hours each studied for the final exam on a piece of paper and turn that paper in with the exam. The pieces of paper indicate that students studied 10, 3, 4, 25, 1, 4, 4, 12, 6, 8, and 10 hours.What is the mean number of hours studied?

Accepted Answer

A) 10 
B) 7.9 
C) 7 
D) 6 
A) 10 
B) 7.9 
C) 7 
D) 6 B

Question 4

In a distribution of sentence lengths in months like the following: 6, 12, 10, 18, 24, 360;which statistic would a researcher not want to report?

Accepted Answer

A) standard deviation 
B) mean 
C) range 
D) raw numbers 
A) standard deviation 
B) mean 
C) range 
D) raw numbers

Question 5

When we generalize from samples to larger populations, we use inferential statistics to test the significance of an observed relationship.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following would represent a distribution of those arrested on a holiday weekend?

Accepted Answer

A) the exact number of persons arrested for violation of specific statute numbers 
B) a partial list of persons arrested with the corresponding statute number they allegedly violated 
C) the number of persons arrested for violent crimes, the number of persons arrested for property crimes but not the number of persons arrested for public order crimes 
D) a list of people arrested for DUI only 
A) the exact number of persons arrested for violation of specific statute numbers 
B) a partial list of persons arrested with the corresponding statute number they allegedly violated 
C) the number of persons arrested for violent crimes, the number of persons arrested for property crimes but not the number of persons arrested for public order crimes 
D) a list of people arrested for DUI only

Question 7

Which statement is true regarding rates?

Accepted Answer

A) Rates are fundamental inferential statistics in criminal justice research. 
B) Rates are used to standardize some measure for comparative purposes. 
C) In criminal justice crime rates per 100,0000 population is a common convention in reporting. 
D) These are the only governmental statistics that are calculated to discuss crime 
A) Rates are fundamental inferential statistics in criminal justice research. 
B) Rates are used to standardize some measure for comparative purposes. 
C) In criminal justice crime rates per 100,0000 population is a common convention in reporting. 
D) These are the only governmental statistics that are calculated to discuss crime

Question 8

Which of the following is a test of statistical significance?

Accepted Answer

A) regression 
B) chi square 
C) gamma 
D) lambda 
A) regression 
B) chi square 
C) gamma 
D) lambda

Question 9

Dr.Jones wanted to display the findings of the sentences given in his local courthouse on one summer day.If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

Accepted Answer

A) the mean is 24 
B) the median is 24 
C) the mode is 24 
D) the median is 26 
A) the mean is 24 
B) the median is 24 
C) the mode is 24 
D) the median is 26

Question 10

Tests of statistical significance should not be calculated on relationships observed in data collected from whole populations.

Accepted Answer

A) True 
 B)False

Question 11

With respect to standard deviation, which of the following statements is correct?

Accepted Answer

A) it is the distance separating the highest and lowest value 
B) it is the square of the variance 
C) it can be a positive or negative number 
D) comparing standard deviations for different groups of cases indicates relative amounts of dispersion within each group 
A) it is the distance separating the highest and lowest value 
B) it is the square of the variance 
C) it can be a positive or negative number 
D) comparing standard deviations for different groups of cases indicates relative amounts of dispersion within each group

Question 12

Empirical research is first a mathematical rather than a logical operation.

Accepted Answer

A) True 
 B)False

Question 13

In univariate analysis, missing data can be reported in several different ways.

Accepted Answer

A) True 
 B)False

Question 14

_________________ help researchers form conclusions from their observations about a population from the study of a sample drawn from it.

Accepted Answer

Inferentia

Question 15

What is meant by measures of central tendency? What are they and in what type of variables are they appropriate?

Accepted Answer

Measures of central tendency refer to st

Question 16

The middle attribute, or the ____________, is the measure that divides the distribution so that half the scores are higher and half are lower.

Accepted Answer

The answer of The middle attribute, or the ____________, is...

Question 17

The use of rates in the reporting of criminal justice data allow the researcher to _____.

Accepted Answer

A) standardize by sample size 
B) make more meaningful comparisons 
C) explain methodology 
D) select random sample 
A) standardize by sample size 
B) make more meaningful comparisons 
C) explain methodology 
D) select random sample

Question 18

When reporting findings, the choice of the ________________, or the total number of cases, depends entirely on the purposes of the analysis.

Accepted Answer

The answer of When reporting findings, the choice of the...

Question 19

What is the difference between descriptive and inferential statistics? Give an example of each.What assumptions apply to each?

Accepted Answer

Descriptive statistics and inferential s

Question 20

When using inferential statistics all of the following assumptions are accurate except _____.

Accepted Answer

A) the sample must be drawn from the population about which inferences are being made 
B) the inferential statistics assume simple random sampling 
C) as long as the sample is drawn from a population that resembles the one about which inferences are to be made, the resulting statistic has value 
D) inferential statistics are addressed to sampling error only, they do not consider non-sampling errors 
A) the sample must be drawn from the population about which inferences are being made 
B) the inferential statistics assume simple random sampling 
C) as long as the sample is drawn from a population that resembles the one about which inferences are to be made, the resulting statistic has value 
D) inferential statistics are addressed to sampling error only, they do not consider non-sampling errors

Measures of central tendency include all except _____.

To calculate the mean for grouped data, which of the following steps must be completed?

Professor White asked his students to put the number of hours each studied for the final exam on a piece of paper and turn that paper in with the exam. The pieces of paper indicate that students studied 10, 3, 4, 25, 1, 4, 4, 12, 6, 8, and 10 hours.What is the mean number of hours studied?

In a distribution of sentence lengths in months like the following: 6, 12, 10, 18, 24, 360;which statistic would a researcher not want to report?

When we generalize from samples to larger populations, we use inferential statistics to test the significance of an observed relationship.

Which of the following would represent a distribution of those arrested on a holiday weekend?

Which statement is true regarding rates?

Which of the following is a test of statistical significance?

Dr.Jones wanted to display the findings of the sentences given in his local courthouse on one summer day.If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

Tests of statistical significance should not be calculated on relationships observed in data collected from whole populations.

With respect to standard deviation, which of the following statements is correct?

Empirical research is first a mathematical rather than a logical operation.

In univariate analysis, missing data can be reported in several different ways.

_________________ help researchers form conclusions from their observations about a population from the study of a sample drawn from it.

What is meant by measures of central tendency? What are they and in what type of variables are they appropriate?

The middle attribute, or the ____________, is the measure that divides the distribution so that half the scores are higher and half are lower.

The use of rates in the reporting of criminal justice data allow the researcher to _____.

When reporting findings, the choice of the ________________, or the total number of cases, depends entirely on the purposes of the analysis.

What is the difference between descriptive and inferential statistics? Give an example of each.What assumptions apply to each?

When using inferential statistics all of the following assumptions are accurate except _____.

Criminal Justice and Scientific Inquiry

Ethics and Criminal Justice Research

General Issues in Research Design

Concepts, Operationalization, and Measurement

Experimental and Quasi-Experimental Designs

Sampling

Survey Research and Other Ways of Asking Questions

Field Research

Agency Records, Content Analysis, and Secondary Data

Evaluation Research and Problem Analysis

Filters

Exam 11: Interpreting Data

Measures of central tendency include all except _____.

To calculate the mean for grouped data, which of the following steps must be completed?

Professor White asked his students to put the number of hours each studied for the final exam on a piece of paper and turn that paper in with the exam. The pieces of paper indicate that students studied 10, 3, 4, 25, 1, 4, 4, 12, 6, 8, and 10 hours.What is the mean number of hours studied?

In a distribution of sentence lengths in months like the following: 6, 12, 10, 18, 24, 360;which statistic would a researcher not want to report?

When we generalize from samples to larger populations, we use inferential statistics to test the significance of an observed relationship.

Which of the following would represent a distribution of those arrested on a holiday weekend?

Which statement is true regarding rates?

Which of the following is a test of statistical significance?

Dr.Jones wanted to display the findings of the sentences given in his local courthouse on one summer day.If the sentences, displayed in months, were 10, 18, 24, 36, 18, 70, 30, then which of the following measures of central tendency is accurate?

Tests of statistical significance should not be calculated on relationships observed in data collected from whole populations.

With respect to standard deviation, which of the following statements is correct?

Empirical research is first a mathematical rather than a logical operation.

In univariate analysis, missing data can be reported in several different ways.

_________________ help researchers form conclusions from their observations about a population from the study of a sample drawn from it.

What is meant by measures of central tendency? What are they and in what type of variables are they appropriate?

The middle attribute, or the ____________, is the measure that divides the distribution so that half the scores are higher and half are lower.

The use of rates in the reporting of criminal justice data allow the researcher to _____.

When reporting findings, the choice of the ________________, or the total number of cases, depends entirely on the purposes of the analysis.

What is the difference between descriptive and inferential statistics? Give an example of each.What assumptions apply to each?

When using inferential statistics all of the following assumptions are accurate except _____.

Criminal Justice and Scientific Inquiry

Ethics and Criminal Justice Research

General Issues in Research Design

Concepts, Operationalization, and Measurement

Experimental and Quasi-Experimental Designs

Sampling

Survey Research and Other Ways of Asking Questions

Field Research

Agency Records, Content Analysis, and Secondary Data

Evaluation Research and Problem Analysis

Filters