Question 1

Explain how to develop a stem-and-leaf display.

Accepted Answer

To develop a stem-and-leaf display,the f

Question 2

Outliers are those data points that exceed _____ the interquartile range.

Accepted Answer

A)  +1 
B)  +1.5 
C)  +2 
D)  +2.5 
E)  +3 
A)  +1 
B)  +1.5 
C)  +2 
D)  +2.5 
E)  +3

Question 3

The horizontal axis on a histogram indicates the _____.

Accepted Answer

A)  number of observations in each interval 
B)  midpoint for each interval 
C)  variable of interest 
D)  cumulative percent 
E)  valid percent 
A)  number of observations in each interval 
B)  midpoint for each interval 
C)  variable of interest 
D)  cumulative percent 
E)  valid percent

Question 4

Which data display technique uses the five-number summary?

Accepted Answer

A)  Frequency table 
B)  Pareto Diagram 
C)  Box Plot 
D)  Stem-and-leaf Display 
E)  Pie Chart 
A)  Frequency table 
B)  Pareto Diagram 
C)  Box Plot 
D)  Stem-and-leaf Display 
E)  Pie Chart

Question 5

Boxplots are said to incorporate resistant statistics because:

Accepted Answer

A)  They are constructed with a five-number summary. 
B)  Do not contain weak measures of central tendency like the median. 
C)  Are based on a new type of dispersion statistics. 
D)  Use whiskers to represent quartiles. 
A)  They are constructed with a five-number summary. 
B)  Do not contain weak measures of central tendency like the median. 
C)  Are based on a new type of dispersion statistics. 
D)  Use whiskers to represent quartiles.

Question 6

Measures that are resistant are _____.

Accepted Answer

A)  inappropriate for statistical analysis 
B)  corrupted with measurement bias 
C)  based on nominal scales 
D)  able to resist influence of extreme values 
E)  sensitive to localized data 
A)  inappropriate for statistical analysis 
B)  corrupted with measurement bias 
C)  based on nominal scales 
D)  able to resist influence of extreme values 
E)  sensitive to localized data

Question 7

What information is presented in a stem-and-leaf display?

Accepted Answer

A)  Percent 
B)  Actual values 
C)  Valid percent 
D)  Cumulative percent 
E)  Value labels 
A)  Percent 
B)  Actual values 
C)  Valid percent 
D)  Cumulative percent 
E)  Value labels

Question 8

Marginals are the totals of row and/or column variables in a:

Accepted Answer

A)  Piechart 
B)  Barchart 
C)  Cross-classification (cross-tabulation) table 
D)  Frequency table. 
A)  Piechart 
B)  Barchart 
C)  Cross-classification (cross-tabulation) table 
D)  Frequency table.

Question 9

Consider the following array of values found in a stem-and-leaf display: 5 I 4 6 7 8 8 9 9 9 9.
Which of the following statements best reflects the meaning of this line?

Accepted Answer

A)  There are nine items in the data set whose first digit is five 
B)  The numbers in the data set range from 4 to 9 
C)  The variance in the data set is 5 
D)  The mean of the data set is 5 
E)  The values in the display are 95, 85, 75, 65, and 45; 95 appears four times and 85 appears twice 
A)  There are nine items in the data set whose first digit is five 
B)  The numbers in the data set range from 4 to 9 
C)  The variance in the data set is 5 
D)  The mean of the data set is 5 
E)  The values in the display are 95, 85, 75, 65, and 45; 95 appears four times and 85 appears twice

Question 10

A statistical technique that describes two or more variables simultaneously and results in tables that reflect the joint distribution of two or more variables that have a limited number of categories or distinct values is a(n)_____.

Accepted Answer

A)  t test 
B)  ANOVA 
C)  factor analysis 
D)  cross-tabulation 
E)  regression 
A)  t test 
B)  ANOVA 
C)  factor analysis 
D)  cross-tabulation 
E)  regression

Question 11

Which of the following best explains the meaning of the 80/20 rule?

Accepted Answer

A)  80% of quality defects are caused by 20% of problems 
B)  An 80% improvement in performance can be expected by eliminating 20% of the causes of poor performance 
C)  20% of sales are generated by 80% of customers 
D)  The benefits of performance increases accrue to 20% of people 
E)  All of the above are interpretations of the 80/20 rule 
A)  80% of quality defects are caused by 20% of problems 
B)  An 80% improvement in performance can be expected by eliminating 20% of the causes of poor performance 
C)  20% of sales are generated by 80% of customers 
D)  The benefits of performance increases accrue to 20% of people 
E)  All of the above are interpretations of the 80/20 rule

Question 12

Which of the following is an appropriate situation for the use of mapping?

Accepted Answer

A)  Identify competing business locations to identify location for a new store 
B)  Identify the geographic location of target customer segments to plan promotions 
C)  Identify the performance of call center employees by assess training effectiveness 
D)  Identify specification accuracy of machines by factory location to assess maintenance routines. 
E)  All of the above 
A)  Identify competing business locations to identify location for a new store 
B)  Identify the geographic location of target customer segments to plan promotions 
C)  Identify the performance of call center employees by assess training effectiveness 
D)  Identify specification accuracy of machines by factory location to assess maintenance routines. 
E)  All of the above

Question 13

The introduction of a third variable in cross-tabulation can result in which of the following possibilities?

Accepted Answer

A)  Refined association between the two original variables 
B)  No association between the two original variables 
C)  No change in the initial pattern 
D)  All of the above 
E)  None of the above 
A)  Refined association between the two original variables 
B)  No association between the two original variables 
C)  No change in the initial pattern 
D)  All of the above 
E)  None of the above

Question 14

All of the following are contained in a frequency table except _____.

Accepted Answer

A)  lowest value 
B)  percent 
C)  count 
D)  cumulative percent 
E)  quartile indicators 
A)  lowest value 
B)  percent 
C)  count 
D)  cumulative percent 
E)  quartile indicators

Question 15

Considering the various choices for displaying data,which one will include values for which no observations occurred?

Accepted Answer

A)  Pie chart 
B)  Bar chart 
C)  Heretical triangle 
D)  Stem-and-leaf display 
E)  Boxplot 
A)  Pie chart 
B)  Bar chart 
C)  Heretical triangle 
D)  Stem-and-leaf display 
E)  Boxplot

Question 16

RFID data refers to data captured using _____.

Accepted Answer

A)  radio frequency identification chips 
B)  infrared technology 
C)  global positioning systems 
D)  mapping 
E)  optical mark recognition software 
A)  radio frequency identification chips 
B)  infrared technology 
C)  global positioning systems 
D)  mapping 
E)  optical mark recognition software

Question 17

Cross-tabulations with more than two variables are called _____ tables.

Accepted Answer

A)  multivariate 
B)  n-way 
C)  kth 
D)  CHAID 
E)  nested 
A)  multivariate 
B)  n-way 
C)  kth 
D)  CHAID 
E)  nested

Question 18

Histograms can be used to display the _____ of a distribution.

Accepted Answer

A)  skewness 
B)  kurtosis 
C)  modal pattern 
D)  all of the above 
E)  none of the above 
A)  skewness 
B)  kurtosis 
C)  modal pattern 
D)  all of the above 
E)  none of the above

Question 19

All of the following are ingredients of box plots except _____.

Accepted Answer

A)  rectangular plot that encompasses 50% of the data values 
B)  center line marking the median 
C)  jagged line marking the mean 
D)  box hinges 
E)  whiskers that extend from the right and left hinges to the largest and smallest values 
A)  rectangular plot that encompasses 50% of the data values 
B)  center line marking the median 
C)  jagged line marking the mean 
D)  box hinges 
E)  whiskers that extend from the right and left hinges to the largest and smallest values

Question 20

Data analysis is _____ when patterns in the collected data guide the data analysis or suggest revisions to the preliminary data analysis plan.

Accepted Answer

A)  confirmatory 
B)  descriptive 
C)  exploratory 
D)  conclusive 
E)  forensic 
A)  confirmatory 
B)  descriptive 
C)  exploratory 
D)  conclusive 
E)  forensic

Exam 16: Exploring,Displaying,and Examining Data

Explain how to develop a stem-and-leaf display.

Outliers are those data points that exceed _____ the interquartile range.

The horizontal axis on a histogram indicates the _____.

Which data display technique uses the five-number summary?

Boxplots are said to incorporate resistant statistics because:

Measures that are resistant are _____.

What information is presented in a stem-and-leaf display?

Marginals are the totals of row and/or column variables in a:

Consider the following array of values found in a stem-and-leaf display: 5 I 4 6 7 8 8 9 9 9 9. Which of the following statements best reflects the meaning of this line?

A statistical technique that describes two or more variables simultaneously and results in tables that reflect the joint distribution of two or more variables that have a limited number of categories or distinct values is a(n)_____.

Which of the following best explains the meaning of the 80/20 rule?

Which of the following is an appropriate situation for the use of mapping?

The introduction of a third variable in cross-tabulation can result in which of the following possibilities?

All of the following are contained in a frequency table except _____.

Considering the various choices for displaying data,which one will include values for which no observations occurred?

RFID data refers to data captured using _____.

Cross-tabulations with more than two variables are called _____ tables.

Histograms can be used to display the _____ of a distribution.

All of the following are ingredients of box plots except _____.

Data analysis is _____ when patterns in the collected data guide the data analysis or suggest revisions to the preliminary data analysis plan.

Research in Business

Ethics in Business Research

Thinking Like a Researcher

The Research Process: an Overview

Clarifying the Research Question Through Secondary Data and Exploration

Research Design: An Overview

Qualitative Research

Observation Studies

Experiments

Surveys

Measurement

Measurement Scales

Questionnaires and Instruments

Sampling

Data Preparation and Description

Hypothesis Testing

Measures of Association

Presenting Insights and Findings: Written Reports

Presenting Insights and Findings: Oral Presentations

Appendix 1A: How the Industry Works

Appendix 5A and 5B: Bibliographic Database Searchers and Advanced Searches

Appendix 9B: Test Markets

Appendix: Multivariate Supplement

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