Question 1

The median is the most suited to measure the central tendency of variables measured at the ordinal level.

Accepted Answer

A) True 
 B)False

Question 2

A summary of distributions can be made completely based on the central tendency.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is required of categories within frequency distributions?

Accepted Answer

A)  They must distort the distribution. 
B)  They must be logically defensible. 
C)  They must eliminate undesirable variables. 
D)  They must be difficult to examine. 
A)  They must distort the distribution. 
B)  They must be logically defensible. 
C)  They must eliminate undesirable variables. 
D)  They must be difficult to examine.

Question 4

Central tendency combined with variation describes a distribution's overall shape.

Accepted Answer

A) True 
 B)False

Question 5

A ______ displays the number of cases or percentage of cases corresponding to each of a variables value or group of values.
Please check the usage of this article with the options. I don't think it suits it.

Accepted Answer

A)  base number N 
B)  descriptive variable 
C)  frequency distribution 
D)  discaffm 
A)  base number N 
B)  descriptive variable 
C)  frequency distribution 
D)  discaffm

Question 6

Identify and describe the three key summary statistics employed by quantitative researchers. Briefly describe each and explain what information it provides researchers and how this is essential to quality data collection and analysis.

Accepted Answer

Answers may vary. Students should discus

Question 7

To choose an appropriate measure of central tendency, the analyst must consider which of the following?

Accepted Answer

A)  the hypothesis being tested 
B)  the analyst's personal experiences 
C)  the purpose for which the statistic is used 
D)  the previous research findings 
A)  the hypothesis being tested 
B)  the analyst's personal experiences 
C)  the purpose for which the statistic is used 
D)  the previous research findings

Question 8

Waldon is analyzing data on grade distributions at Canadian universities. He has discovered one extremely low set of values. These exceptionally low values represent a(n) ______ in his data.

Accepted Answer

A)  range 
B)  quadrant 
C)  outlier 
D)  normal distribution 
A)  range 
B)  quadrant 
C)  outlier 
D)  normal distribution

Question 9

Which of the following should be included in a frequency distribution?

Accepted Answer

A)  a title, sub labels for the values of the variables, a caption, and the base number N 
B)  a heading, sub headings for each category, and qualitative values for variables 
C)  the previously established relative frequency, variables values, and total percentage value 
D)  the descriptive statistics, categories, and central tendency 
A)  a title, sub labels for the values of the variables, a caption, and the base number N 
B)  a heading, sub headings for each category, and qualitative values for variables 
C)  the previously established relative frequency, variables values, and total percentage value 
D)  the descriptive statistics, categories, and central tendency

Question 10

When we summarize a distribution in a single number, we are ______.

Accepted Answer

A)  typically gaining a complete picture of the distribution 
B)  losing much information 
C)  fully meeting requirements for openness and honesty 
D)  offering summary statistics 
A)  typically gaining a complete picture of the distribution 
B)  losing much information 
C)  fully meeting requirements for openness and honesty 
D)  offering summary statistics

Question 11

What do cross-tabulations illustrate?

Accepted Answer

A)  the relations between two variables 
B)  the frequency of distributions 
C)  attitudinal data 
D)  percentages of participation 
A)  the relations between two variables 
B)  the frequency of distributions 
C)  attitudinal data 
D)  percentages of participation

Question 12

Which of the following statements regarding a frequency distribution is accurate?

Accepted Answer

A)  A frequency distribution is difficult to examine if it has many categories. 
B)  Frequency distributions cannot be applied to questions about attitudes. 
C)  Groupings should be created for categories only when researchers need to distort distributions. 
D)  Frequency distributions are most applicable for qualitative data analysis. 
A)  A frequency distribution is difficult to examine if it has many categories. 
B)  Frequency distributions cannot be applied to questions about attitudes. 
C)  Groupings should be created for categories only when researchers need to distort distributions. 
D)  Frequency distributions are most applicable for qualitative data analysis.

Question 13

Which of the following problems should researchers be aware of regarding distributions represented in graphs?

Accepted Answer

A)  Chart "junk" can confuse the reader and obscure the distributions shape. 
B)  Bars within charts should be of different shapes and sizes to ease readability. 
C)  The difference between bars should be exaggerated depending on results. 
D)  Shortening or lengthening the vertical axis will eliminate differences in the number of cases between values. 
A)  Chart "junk" can confuse the reader and obscure the distributions shape. 
B)  Bars within charts should be of different shapes and sizes to ease readability. 
C)  The difference between bars should be exaggerated depending on results. 
D)  Shortening or lengthening the vertical axis will eliminate differences in the number of cases between values.

Question 14

Central tendency is usually summarized with one of three statistics. What are these statistics?

Accepted Answer

A)  the mode, measure, and frequency 
B)  the mode, the median, and the mean 
C)  the mean, the level of measurement, and variability 
D)  frequency, variability, and the measure 
A)  the mode, measure, and frequency 
B)  the mode, the median, and the mean 
C)  the mean, the level of measurement, and variability 
D)  frequency, variability, and the measure

Question 15

A normal distribution should result in a symmetrical bell-shaped distribution pattern.

Accepted Answer

A) True 
 B)False

Question 16

It is legitimate to represent the central tendency of a variable measured at the ordinal level with the mean.

Accepted Answer

A) True 
 B)False

Question 17

______ is one of the most common and useful types of graphs.

Accepted Answer

A)  Row charts 
B)  Plague graph 
C)  Frequency polygons 
D)  Base Number N 
A)  Row charts 
B)  Plague graph 
C)  Frequency polygons 
D)  Base Number N

Question 18

Which of the following statements about standard deviation is true?

Accepted Answer

A)  It accounts for the amount by which each case is similar to the mode. 
B)  It predicts the impacts of findings on additional variables. 
C)  It accounts for the amount by which each case differs from the mean. 
D)  It predicts the difference between the first quartile and the third quartile. 
A)  It accounts for the amount by which each case is similar to the mode. 
B)  It predicts the impacts of findings on additional variables. 
C)  It accounts for the amount by which each case differs from the mean. 
D)  It predicts the difference between the first quartile and the third quartile.

Question 19

Chi-square is the most often applied cross-tabular analysis.

Accepted Answer

A) True 
 B)False

Question 20

When is it inappropriate to use either the median or mean as a measure of central tendency?

Accepted Answer

A)  when variables are measured at the nominal level 
B)  when variables are expressed through graphs at the ordinal and nominal levels 
C)  when researchers are examining multiple variables 
D)  when the mode has been previously established 
A)  when variables are measured at the nominal level 
B)  when variables are expressed through graphs at the ordinal and nominal levels 
C)  when researchers are examining multiple variables 
D)  when the mode has been previously established

The median is the most suited to measure the central tendency of variables measured at the ordinal level.

A summary of distributions can be made completely based on the central tendency.

Which of the following is required of categories within frequency distributions?

Central tendency combined with variation describes a distribution's overall shape.

A ______ displays the number of cases or percentage of cases corresponding to each of a variables value or group of values. Please check the usage of this article with the options. I don't think it suits it.

Identify and describe the three key summary statistics employed by quantitative researchers. Briefly describe each and explain what information it provides researchers and how this is essential to quality data collection and analysis.

To choose an appropriate measure of central tendency, the analyst must consider which of the following?

Waldon is analyzing data on grade distributions at Canadian universities. He has discovered one extremely low set of values. These exceptionally low values represent a(n) ______ in his data.

Which of the following should be included in a frequency distribution?

When we summarize a distribution in a single number, we are ______.

What do cross-tabulations illustrate?

Which of the following statements regarding a frequency distribution is accurate?

Which of the following problems should researchers be aware of regarding distributions represented in graphs?

Central tendency is usually summarized with one of three statistics. What are these statistics?

A normal distribution should result in a symmetrical bell-shaped distribution pattern.

It is legitimate to represent the central tendency of a variable measured at the ordinal level with the mean.

______ is one of the most common and useful types of graphs.

Which of the following statements about standard deviation is true?

Chi-square is the most often applied cross-tabular analysis.

When is it inappropriate to use either the median or mean as a measure of central tendency?

Science, Society, and Social Research

The Process and Problems of Social Research

Research Ethics

Conceptualization and Measurement

Generalizability and Sampling

Causation and Experimental Design

Survey Research

Qualitative Methods

Unobtrusive Methods

Qualitative Data Analysis

Summarizing and Reporting Research

Filters

Exam 10: Quantitative Data Analysis

The median is the most suited to measure the central tendency of variables measured at the ordinal level.

A summary of distributions can be made completely based on the central tendency.

Which of the following is required of categories within frequency distributions?

Central tendency combined with variation describes a distribution's overall shape.

A ______ displays the number of cases or percentage of cases corresponding to each of a variables value or group of values. Please check the usage of this article with the options. I don't think it suits it.

Identify and describe the three key summary statistics employed by quantitative researchers. Briefly describe each and explain what information it provides researchers and how this is essential to quality data collection and analysis.

To choose an appropriate measure of central tendency, the analyst must consider which of the following?

Waldon is analyzing data on grade distributions at Canadian universities. He has discovered one extremely low set of values. These exceptionally low values represent a(n) ______ in his data.

Which of the following should be included in a frequency distribution?

When we summarize a distribution in a single number, we are ______.

What do cross-tabulations illustrate?

Which of the following statements regarding a frequency distribution is accurate?

Which of the following problems should researchers be aware of regarding distributions represented in graphs?

Central tendency is usually summarized with one of three statistics. What are these statistics?

A normal distribution should result in a symmetrical bell-shaped distribution pattern.

It is legitimate to represent the central tendency of a variable measured at the ordinal level with the mean.

______ is one of the most common and useful types of graphs.

Which of the following statements about standard deviation is true?

Chi-square is the most often applied cross-tabular analysis.

When is it inappropriate to use either the median or mean as a measure of central tendency?

Science, Society, and Social Research

The Process and Problems of Social Research

Research Ethics

Conceptualization and Measurement

Generalizability and Sampling

Causation and Experimental Design

Survey Research

Qualitative Methods

Unobtrusive Methods

Qualitative Data Analysis

Summarizing and Reporting Research

Filters