Question 1

SCENARIO 17-4
The regression tree below was obtained for predicting the weekend box office revenue of a newly
released movie (in thousands of dollars)based on data collected in different cities on the expenditure
(at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the
number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV.
Business Analytics 17-15 
-True or False: Referring to Scenario 17-4, the highest mean weekend box office revenue is
predicted to occur with $55 thousands spent on TV advertisement and 35 advertisement
appearances a day.

Accepted Answer

A) True 
 B)False  False

Question 2

True or False: In multidimensional scaling, the stress statistic is used to measure the goodness
of fit of the results to the data.

Accepted Answer

A) True 
 B)False  True

Question 3

SCENARIO 17-4
The regression tree below was obtained for predicting the weekend box office revenue of a newly
released movie (in thousands of dollars)based on data collected in different cities on the expenditure
(at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the
number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV.
Business Analytics 17-15 
-True or False: Referring to Scenario 17-4, the highest mean weekend box office revenue is
predicted to occur with at least $45 thousand spent on TV advertisement and at least 25
advertisement appearances a day.

Accepted Answer

A) True 
 B)False  True

Question 4

True or False: Some business analytics involve starting with many variables, followed by filtering
the data by exploring specific combinations of categorical values or numerical range.In Excel, this
approach is mimicked by using gauges.

Accepted Answer

A) True 
 B)False

Question 5

True or False: Some business analytics involve starting with many variables, followed by filtering
the data by exploring specific combinations of categorical values or numerical range.

Accepted Answer

A) True 
 B)False

Question 6

SCENARIO 17-1 
-True or False: Referring to Scenario 17-1, the sparklines enable you to conclude that the rates of
return of the stock market in general is volatile from 2007 to 2013.

Accepted Answer

A) True 
 B)False

Question 7

SCENARIO 17-3
The tree diagram below shows the results of the classification tree model that has been constructed to
predict the probability of a cable company's customers who will switch ("Yes" or "No")into its
bundled program offering based on the price ($30, $40, $50, $60)and whether the customer spends
more than 5 hours a day watching TV ("Yes" or "No")using the data set of 100 customers collected
from a survey.  
-True or False: Referring to Scenario 17-3, the highest probability of switching is predicted to
occur among customers who watch more than 5 hours of TV a day and are offered the bundled
price of between $30 and $40.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following investigates what should occur and suggest the best course of action
For the future?

Accepted Answer

A)   Predictive analytics
B)   Prescriptive analytics
C)   Productive analytics
D)   Descriptive analytics

Question 9

SCENARIO 17-2
The treemap below shows the amounts (size)measured in billions of US dollars and percentage
changes from prior year (color)of business-to-consumer ecommerce sales last year for North
America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East
& Africa. 
-Referring to Scenario 17-2, which region has the largest amount of business-to-consumer
ecommerce sales last year?

Accepted Answer

The answer of SCENARIO 17-2
The treemap below shows the amounts...

Question 10

True or False: In real-world business analytics, filtering is typically performed on large data based
on complex conditional relationships.

Accepted Answer

A) True 
 B)False

Question 11

True or False: In k-means clustering, observations that are assigned to a cluster may never be
reassigned to a different cluster later in the process.

Accepted Answer

A) True 
 B)False

Question 12

SCENARIO 17-3
The tree diagram below shows the results of the classification tree model that has been constructed to
predict the probability of a cable company's customers who will switch ("Yes" or "No")into its
bundled program offering based on the price ($30, $40, $50, $60)and whether the customer spends
more than 5 hours a day watching TV ("Yes" or "No")using the data set of 100 customers collected
from a survey.  
-True or False: Referring to Scenario 17-3, the highest probability of switching is predicted to
occur among customers who watch more than 5 hours of TV a day and are offered the bundled
price of lower than $50.

Accepted Answer

A) True 
 B)False

Question 13

SCENARIO 17-4
The regression tree below was obtained for predicting the weekend box office revenue of a newly
released movie (in thousands of dollars)based on data collected in different cities on the expenditure
(at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the
number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV.
Business Analytics 17-15 
-True or False: Referring to Scenario 17-4, the highest mean weekend box office revenue is
predicted to occur with $55 thousand spent on TV advertisement and at least 25 advertisement
appearances a day.

Accepted Answer

A) True 
 B)False

Question 14

True or False: Neural networks require only training data but not validating data.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT among the three broad categories of analytic methods?

Accepted Answer

A)   Predictive analytics
B)   Prescriptive analytics
C)   Productive analytics
D)   Descriptive analytics

Question 16

SCENARIO 17-1 
-True or False: Referring to Scenario 17-1, the sparklines enable you to predict that the rates of
return of the stock market in 2014 will be about the same as in 2013.

Accepted Answer

A) True 
 B)False

Question 17

SCENARIO 17-2
The treemap below shows the amounts (size)measured in billions of US dollars and percentage
changes from prior year (color)of business-to-consumer ecommerce sales last year for North
America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East
& Africa. 
-Referring to Scenario 17-2, which region has the fastest growth in business-to-consumer
ecommerce sales last year?

Accepted Answer

The answer of SCENARIO 17-2
The treemap below shows the amounts...

Question 18

True or False: In nonmetric multidimensional scaling, the distance between objects is ordinal
scaled.

Accepted Answer

A) True 
 B)False

Question 19

True or False: There is no significant difference between filtering performed in a complex real-
world business analytic and filtering performed using the slicers in a PivotTable in Excel.

Accepted Answer

A) True 
 B)False

Question 20

True or False: Some business analytics involve starting with many variables, followed by filtering
the data by exploring specific combinations of categorical values or numerical range.In Excel, this
approach is mimicked by using a slicer.

Accepted Answer

A) True 
 B)False

Exam 17: Business Analytics

True or False: In multidimensional scaling, the stress statistic is used to measure the goodness of fit of the results to the data.

True or False: Some business analytics involve starting with many variables, followed by filtering the data by exploring specific combinations of categorical values or numerical range.In Excel, this approach is mimicked by using gauges.

True or False: Some business analytics involve starting with many variables, followed by filtering the data by exploring specific combinations of categorical values or numerical range.

SCENARIO 17-1 -True or False: Referring to Scenario 17-1, the sparklines enable you to conclude that the rates of return of the stock market in general is volatile from 2007 to 2013.

Which of the following investigates what should occur and suggest the best course of action For the future?

True or False: In real-world business analytics, filtering is typically performed on large data based on complex conditional relationships.

True or False: In k-means clustering, observations that are assigned to a cluster may never be reassigned to a different cluster later in the process.

True or False: Neural networks require only training data but not validating data.

Which of the following is NOT among the three broad categories of analytic methods?

SCENARIO 17-1 -True or False: Referring to Scenario 17-1, the sparklines enable you to predict that the rates of return of the stock market in 2014 will be about the same as in 2013.

True or False: In nonmetric multidimensional scaling, the distance between objects is ordinal scaled.

True or False: There is no significant difference between filtering performed in a complex real- world business analytic and filtering performed using the slicers in a PivotTable in Excel.

True or False: Some business analytics involve starting with many variables, followed by filtering the data by exploring specific combinations of categorical values or numerical range.In Excel, this approach is mimicked by using a slicer.