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 valuesE) A) and B)
F) A) and C)

Question 2

Univariate analysis and subgroup comparisons focus on describing variables while bivariate analysis focuses upon people.

Accepted Answer

A) True 
 B)False

Question 3

In #53 above, what is the mean number of hours students studied?

Accepted Answer

A)   10
B)   7.9
C)   7
D)   6E) A) and D)
F) A) and B)

Question 4

What is the simplest measure of dispersion?

Accepted Answer

A)   Mode
B)   Standard deviation
C)   Range
D)   MedianE) B) and C)
F) A) and D)

Question 5

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 6

The standard deviation is the:

Accepted Answer

A)   square root of the variance
B)   square root of the range
C)   the sum of the squared variance
D)   none of the above.E) B) and C)
F) A) and D)

Question 7

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 8

Measures of central tendency include all except:

Accepted Answer

A)   standard deviation
B)   median
C)   mean
D)   modeE) C) and D)
F) A) and B)

Question 9

The total variation is calculated in much the same way as the:

Accepted Answer

A)   mean
B)   mode
C)   chi square
D)   standard deviationE) All of the above
F) B) and C)

Question 10

Which of the following do not represent measures of dispersion?

Accepted Answer

A)   ranges
B)   means
C)   standard deviations
D)   variation in groupsE) B) and C)
F) B) and D)

Question 11

The authors of your text caution when using reports of significance tests that the researcher should be aware of which of the following?

Accepted Answer

A)   that these do not represent tests of substantive significance
B)   that significance tests always show the relationship between the variables of interest
C)   that there is no relationship between the size of the sample and the results of the significance tests
D)   all of the aboveE) A) and B)
F) B) and D)

Question 12

Summary averages are also called

Accepted Answer

A)   standard deviations.
B)   regression marginals.
C)   measures of central tendency.
D)   measures of dispersion.E) B) and C)
F) A) and B)

Question 13

When we find any discrepancy between the assumed independence of variables in a population and the observed distribution of sample elements, we can explain that discrepancy how?

Accepted Answer

A)   we attribute the discrepancy to the nonprobability sample alone
B)   the discrepancy can be the result of poor data collection
C)   we attribute the discrepancy to an unrepresentative sample causing us to reject the assumption of independence
D)   we attribute the discrepancy to poor sample selection and to poor operational definitions of the main variablesE) None of the above
F) C) and D)

Question 14

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

Accepted Answer

A)   standardize by the data
B)   compare groups of differing size
C)   make the data valid
D)   make the data reliableE) A) and C)
F) C) and D)

Question 15

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

Accepted Answer

A)   descriptive
B)   inferential
C)   influential
D)   bivariateE) None of the above
F) B) and D)

Question 16

In a table, if we have two rows and two columns, how many degrees of freedom are there?

Accepted Answer

A)   4
B)   2
C)   1
D)   0E) B) and D)
F) All of the above

Question 17

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 18

Lambda values vary from:

Accepted Answer

A)   -1 to 1
B)   -1 to 0
C)   1 to 2
D)   0 to 1E) C) and D)
F) A) and B)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Any straight line on a graph can be represented by

Accepted Answer

A)   Y = a + bX
B)   X = a + bX
C)   Y = a + bY
D)   straight lines are not possible in a graphE) C) and D)
F) A) and D)

Exam 14: Interpreting Data

Lambda values vary from:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Any straight line on a graph can be represented by

Correct AnswerverifiedShow Answer

When we find any discrepancy between the assumed independence of variables in a population and the observed distribution of sample elements, we can explain that discrepancy how?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Measures of central tendency include all except:

Correct AnswerverifiedShow Answer

The authors of your text caution when using reports of significance tests that the researcher should be aware of which of the following?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Univariate analysis and subgroup comparisons focus on describing variables while bivariate analysis focuses upon people.

Correct AnswerverifiedShow Answer

What is the simplest measure of dispersion?

Correct AnswerverifiedShow Answer

In #53 above, what is the mean number of hours students studied?

Correct AnswerverifiedShow Answer

Which of the following do not represent measures of dispersion?

Correct AnswerverifiedShow Answer

In a table, if we have two rows and two columns, how many degrees of freedom are there?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Summary averages are also called

Correct AnswerverifiedShow Answer

The standard deviation is the:

Correct AnswerverifiedShow Answer

The total variation is calculated in much the same way as the:

Correct AnswerverifiedShow Answer

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.

Correct Answerverifiedproportion...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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proportion...
View Answer

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