Question 1

In a frequency distribution of a variable from a questionnaire,the term missing beside an arbitrary number is used to represent

Accepted Answer

A)  possible answer items to a question where no one respondent selected that answer
B)  numbers missing from a coded variable scale
C)  those respondents who did not return the questionnaire
D)  those respondents missing from a question or item

Question 2

Rather than discussing the middle values in a frequency distribution,you should focus on the extreme values.

Accepted Answer

A) True 
 B)False

Question 3

If you have a substantial number of missing answers in a frequency distribution,you would prefer to use

Accepted Answer

A)  a grouped frequency distribution
B)  the percent column
C)  the valid percent column
D)  the non-missing column

Question 4

A grouped frequency distribution is one in which several frequency distributions are grouped together to display multiple variables.

Accepted Answer

A) True 
 B)False

Question 5

One of the reasons for using cumulative percentages with a frequency distribution is to be able to interpret groupings among the values.

Accepted Answer

A) True 
 B)False

Question 6

As a normal practice,the category intervals of grouped data should be of equal size.

Accepted Answer

A) True 
 B)False

Question 7

Eliminating extremes in a frequency distribution gives you a better picture of where "average" responses are.

Accepted Answer

A) True 
 B)False

Question 8

Continuous variables,like age,are best represented in frequency distributions.

Accepted Answer

A) True 
 B)False

Question 9

When interpreting a frequency distribution,you should use words,not numbers.

Accepted Answer

A) True 
 B)False

Question 10

If there are fewer than 25 values,a variable should never be grouped for display in a frequency distribution.

Accepted Answer

A) True 
 B)False

Question 11

A frequency distribution would represent which of the types of statistics below?

Accepted Answer

A)  descriptive
B)  inferential
C)  predictive
D)  a and c above C

Question 12

If you have a frequency distribution for a variable (like age...) with many values,what can you do to create a frequency distribution that gives a better picture of the data?

Accepted Answer

A)  group the data into no more than 15 classes
B)  calculate a mean
C)  add a column for the cumulative percent of cases
D)  draw a graphic

Question 13

When grouping data for a frequency distribution,you should

Accepted Answer

A)  use at least 6 and not more 15 categories
B)  use at least 10 and not more than 25 categories
C)  divide the total number of values by 4 to create quartiles
D)  use as many categories as is necessary to create a normal distribution

Question 14

In grouped frequency distributions

Accepted Answer

A)  make sure that all categories have no more than 5 original values
B)  each case should fit into only one category
C)  each case should be greater than the last one
D)  all of the above B

Question 15

One of the best ways to interpret a frequency distribution is to

Accepted Answer

A)  determine where the extremes are
B)  use the middle 90 percent of the data to find the majority
C)  determine where the middle of the values might be
D)  keep missing values in the percentages so that you discuss all of the cases

Question 16

Frequency distributions are a good way

Accepted Answer

A)  to display bivariate information
B)  to display continuous data in the form of a graphic
C)  to interpret public opinion from survey questions
D)  to interpret the error present in estimates of dispersion

Question 17

One of the most useful columns for interpreting a frequency distribution is the one labeled

Accepted Answer

A)  cumulative percent
B)  percent
C)  frequencies
D)  quartiles

Question 18

Whenever there are missing cases,it is best to use valid percentages rather than total percentages.

Accepted Answer

A) True 
 B)False

Question 19

A frequency distribution is an example of a

Accepted Answer

A)  univariate statistical technique
B)  graphical statistic
C)  dispersion technique that is useful for correcting problems with the standard deviation
D)  multivariate statistical technique

Question 20

When the term "frequency" is used statistics,it means

Accepted Answer

A)  the number of cases in a category or value
B)  the length of a dispersion line
C)  an array of 10 or more numbers
D)  none of the above A

Exam 7: Frequency Distributions

In a frequency distribution of a variable from a questionnaire,the term missing beside an arbitrary number is used to represent

Correct AnswerverifiedShow Answer

Rather than discussing the middle values in a frequency distribution,you should focus on the extreme values.

Correct AnswerverifiedShow Answer

If you have a substantial number of missing answers in a frequency distribution,you would prefer to use

Correct AnswerverifiedShow Answer

A grouped frequency distribution is one in which several frequency distributions are grouped together to display multiple variables.

Correct AnswerverifiedShow Answer

One of the reasons for using cumulative percentages with a frequency distribution is to be able to interpret groupings among the values.

Correct AnswerverifiedShow Answer

As a normal practice,the category intervals of grouped data should be of equal size.

Correct AnswerverifiedShow Answer

Eliminating extremes in a frequency distribution gives you a better picture of where "average" responses are.

Correct AnswerverifiedShow Answer

Continuous variables,like age,are best represented in frequency distributions.

Correct AnswerverifiedShow Answer

When interpreting a frequency distribution,you should use words,not numbers.

Correct AnswerverifiedShow Answer

If there are fewer than 25 values,a variable should never be grouped for display in a frequency distribution.

Correct AnswerverifiedShow Answer

A frequency distribution would represent which of the types of statistics below?

Correct AnswerverifiedC

If you have a frequency distribution for a variable (like age...) with many values,what can you do to create a frequency distribution that gives a better picture of the data?

Correct AnswerverifiedShow Answer

When grouping data for a frequency distribution,you should

Correct AnswerverifiedShow Answer

In grouped frequency distributions

Correct AnswerverifiedB

One of the best ways to interpret a frequency distribution is to

Correct AnswerverifiedShow Answer

Frequency distributions are a good way

Correct AnswerverifiedShow Answer

One of the most useful columns for interpreting a frequency distribution is the one labeled

Correct AnswerverifiedShow Answer

Whenever there are missing cases,it is best to use valid percentages rather than total percentages.

Correct AnswerverifiedShow Answer

A frequency distribution is an example of a

Correct AnswerverifiedShow Answer

When the term "frequency" is used statistics,it means

Correct AnswerverifiedA

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C

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B

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A