Question 1

Of the three measures of central tendency which one is affected by extreme values?

Accepted Answer

A)  mode 
B)  median 
C)  mean 
D)  neither mode, median, or mean are affected by extreme values 
A)  mode 
B)  median 
C)  mean 
D)  neither mode, median, or mean are affected by extreme values

Question 2

Which of the following measures of central tendency are the easiest to calculate?

Accepted Answer

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

Question 3

In a distribution of sentence lengths in months like the following - 6,12,10,18,240,360 - 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 4

When reading a table for bivariate analysis that displays percentages of some attributes,what is the rule of thumb for reading the table?

Accepted Answer

A)  if it adds up to 100% the statistics are accurate 
B)  if the table is percentaged down, read across and if the table is percentaged across, read down 
C)  if the table is percentaged down, read down and if the table is percentaged across, read across 
D)  none of the above 
A)  if it adds up to 100% the statistics are accurate 
B)  if the table is percentaged down, read across and if the table is percentaged across, read down 
C)  if the table is percentaged down, read down and if the table is percentaged across, read across 
D)  none of the above

Question 5

In order to guess values on one variable when two variables are related the model of__________ is employed which suggests the stronger the relationship,the greater the reduction of error.

Accepted Answer

proportion

Question 6

With the use of regression analysis the researcher is able to:

Accepted Answer

A)  offer a graphic picture of the association between two variables 
B)  summarize the association between two variables 
C)  predict other sets of values 
D)  all of the above 
A)  offer a graphic picture of the association between two variables 
B)  summarize the association between two variables 
C)  predict other sets of values 
D)  all of the above

Question 7

Please refer to the below scenario: A friend of yours assigned a code of 1 to "male" and a code of 2 to "female" on the variable gender.Your friend asked the computer to compute the average score on gender.The computer printout contained the following information: mean = 1.38,standard deviation = .432,median = 1.4 and mode = 1.0.
What is your friend's problem with the computer information?

Accepted Answer

A)  asking for measures of central tendency on continuous variables 
B)  asking for measures of central tendency and dispersion on nominal variables 
C)  asking for the mode and the standard deviation in the same report 
D)  asking for measures of dispersion on continuous variables 
A)  asking for measures of central tendency on continuous variables 
B)  asking for measures of central tendency and dispersion on nominal variables 
C)  asking for the mode and the standard deviation in the same report 
D)  asking for measures of dispersion on continuous variables

Question 8

High dispersion of a variable could result in:

Accepted Answer

A)  a small standard deviation 
B)  the values of the mean and the median being quite different 
C)  a range is small 
D)  a variance is small 
A)  a small standard deviation 
B)  the values of the mean and the median being quite different 
C)  a range is small 
D)  a variance is small

Question 9

On which of the following variables is it appropriate to use a Pearson's product­moment correlation as a means of measuring association?

Accepted Answer

A)  gender 
B)  number of arrests 
C)  race 
D)  all of the above 
A)  gender 
B)  number of arrests 
C)  race 
D)  all of the above

Question 10

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

Question 11

The standard deviation is the square root of the_________ .

Accepted Answer

The answer of The standard deviation is the square root...

Question 12

Compare and contrast the primary differences between inferential and descriptive statistics.Be sure to highlight the strengths and weaknesses of each.

Accepted Answer

Descriptive statistics and inferential s

Question 13

Which of the following statistical techniques relies upon testing in the null hypothesis?

Accepted Answer

A)  mean 
B)  chi square 
C)  range 
D)  median 
A)  mean 
B)  chi square 
C)  range 
D)  median

Question 14

Which of the following do not represent measures of dispersion?

Accepted Answer

A)  ranges 
B)  means 
C)  standard deviations 
D)  variation in groups 
A)  ranges 
B)  means 
C)  standard deviations 
D)  variation in groups

Question 15

A friend of yours assigned a code of 1 to "male" and a code of 2 to "female" on the variable gender.Your friend asked the computer to compute the average score on gender.The computer printout contained the following information: mean = 1.38,standard deviation = .432,median = 1.4 and mode = 1.0.You advise your friend that the best measure of central tendency to report is the:

Accepted Answer

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

Question 16

Murder rates and arrest rates are common examples in which the____________ is a relatively straightforward count.

Accepted Answer

The answer of Murder rates and arrest rates are common...

Question 17

If the standard deviation is zero,we can conclude that:

Accepted Answer

A)  there is dispersion in the data 
B)  the mean is a good measure of the average 
C)  the data are heterogeneous 
D)  the mean will be zero 
A)  there is dispersion in the data 
B)  the mean is a good measure of the average 
C)  the data are heterogeneous 
D)  the mean will be zero

Question 18

When we generalize from samples to a larger population,which type of statistics are used?

Accepted Answer

A)  descriptive 
B)  inferential 
C)  influential 
D)  bivariate 
A)  descriptive 
B)  inferential 
C)  influential 
D)  bivariate

Question 19

Bivariate and multivariate analyses are aimed primarily at:

Accepted Answer

A)  description 
B)  exploration 
C)  explanation 
D)  application 
A)  description 
B)  exploration 
C)  explanation 
D)  application

Question 20

When discussing regression analysis,the____________ is the difference between the total variation and the unexplained variation.

Accepted Answer

The answer of When discussing regression analysis,the____________ is the difference...

Of the three measures of central tendency which one is affected by extreme values?

Which of the following measures of central tendency are the easiest to calculate?

In a distribution of sentence lengths in months like the following - 6,12,10,18,240,360 - which statistic would a researcher not want to report?

When reading a table for bivariate analysis that displays percentages of some attributes,what is the rule of thumb for reading the table?

In order to guess values on one variable when two variables are related the model of__________ is employed which suggests the stronger the relationship,the greater the reduction of error.

With the use of regression analysis the researcher is able to:

High dispersion of a variable could result in:

On which of the following variables is it appropriate to use a Pearson's productmoment correlation as a means of measuring association?

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

The standard deviation is the square root of the_________ .

Compare and contrast the primary differences between inferential and descriptive statistics.Be sure to highlight the strengths and weaknesses of each.

Which of the following statistical techniques relies upon testing in the null hypothesis?

Which of the following do not represent measures of dispersion?

Murder rates and arrest rates are common examples in which the____________ is a relatively straightforward count.

If the standard deviation is zero,we can conclude that:

When we generalize from samples to a larger population,which type of statistics are used?

Bivariate and multivariate analyses are aimed primarily at:

When discussing regression analysis,the____________ is the difference between the total variation and the unexplained variation.

Crime Criminal-Justice And-Scientific-Inquiry

Theory and Criminal Justice Research

Ethics and Criminal Justice Research

General Issues In Research Design

Concepts Operationalization And-Measurement

Measuring-Crime

Experimental and Quasi Experimental Designs

Sampling

Survey Research and Other Ways of Asking Questions

Qualitative-Interviewing

Field-Research

Agency Records Content Analysis And Secondary Data

Evaluation Research and Problem Analysis

Filters

Exam 14: Interpreting-Data

Of the three measures of central tendency which one is affected by extreme values?

Which of the following measures of central tendency are the easiest to calculate?

In a distribution of sentence lengths in months like the following - 6,12,10,18,240,360 - which statistic would a researcher not want to report?

When reading a table for bivariate analysis that displays percentages of some attributes,what is the rule of thumb for reading the table?

In order to guess values on one variable when two variables are related the model of__________ is employed which suggests the stronger the relationship,the greater the reduction of error.

With the use of regression analysis the researcher is able to:

High dispersion of a variable could result in:

On which of the following variables is it appropriate to use a Pearson's product­moment correlation as a means of measuring association?

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

The standard deviation is the square root of the_________ .

Compare and contrast the primary differences between inferential and descriptive statistics.Be sure to highlight the strengths and weaknesses of each.

Which of the following statistical techniques relies upon testing in the null hypothesis?

Which of the following do not represent measures of dispersion?

Murder rates and arrest rates are common examples in which the____________ is a relatively straightforward count.

If the standard deviation is zero,we can conclude that:

When we generalize from samples to a larger population,which type of statistics are used?

Bivariate and multivariate analyses are aimed primarily at:

When discussing regression analysis,the____________ is the difference between the total variation and the unexplained variation.

Crime Criminal-Justice And-Scientific-Inquiry

Theory and Criminal Justice Research

Ethics and Criminal Justice Research

General Issues In Research Design

Concepts Operationalization And-Measurement

Measuring-Crime

Experimental and Quasi Experimental Designs

Sampling

Survey Research and Other Ways of Asking Questions

Qualitative-Interviewing

Field-Research

Agency Records Content Analysis And Secondary Data

Evaluation Research and Problem Analysis

Filters

On which of the following variables is it appropriate to use a Pearson's productmoment correlation as a means of measuring association?