Question 1

Walmart's databases are estimated to contain more than 2.5 petabytes, the same size as the entire U.S. Library of Congress book collection.

Accepted Answer

A) True 
 B)False

Question 2

PivotTables are easiest to read if there is at most one field in the Rows area and one field in the Columns area.

Accepted Answer

A) True 
 B)False

Question 3

A heat map uses colors to represent values, with ________ colors applied to more extreme values and ________ colors applied to more moderate values.

Accepted Answer

The answer of A heat map uses colors to represent...

Question 4

Which of the following data visualization graphs provides a best-fit line through a central tendency of points on a graph?

Accepted Answer

A)   histogram
B)   line graph
C)   slope graph
D)   scatter diagram
E)   regression line

Question 5

Which of the following statements is TRUE regarding data management?

Accepted Answer

A)   Managers should always remove the entire record with any missing values.
B)   Once managers conclude that the data is consistent, they look for completeness.
C)   Consistency refers to the degree of conformity of a measure to a standard value.
D)   Mangers need to identify "outliers" after they are accepted into the dataset.
E)   Data can be stored three ways: character, pattern, or numeric.

Question 6

The following figure is an example of a ________.

Accepted Answer

A)   PivotTable
B)   heat map
C)   color map
D)   heat zone
E)   visual inspection grid

Question 7

Which of the following Excel functions is used to facilitate quick accuracy checks on the extreme values?

Accepted Answer

A)   AVERAGE
B)   SMALL
C)   MEDIAN
D)   STDEV
E)   QUARTILE

Question 8

PivotTables are easiest to read if there is(are) at most ________ field(s) in the Rows area and ________ field(s) in the Columns area.

Accepted Answer

The answer of PivotTables are easiest to read if there...

Question 9

Which of the following business analytics tools presents an overview of the most important metrics (i.e., key success indicators)  all in one place?

Accepted Answer

A)   PivotTable
B)   heat map
C)   dashboard
D)   Conditional Formatting
E)   COUNTIF

Question 10

Which of the following data visualization graphs plots data that are readily divided into categories?

Accepted Answer

A)   bar graph
B)   line graph
C)   slope graph
D)   network diagram
E)   scatter diagram

Question 11

Which of the following data visualization graphs shows the frequency of occurrences of a variable?

Accepted Answer

A)   histogram
B)   line graph
C)   slope graph
D)   network diagram
E)   regression line

Question 12

Predictive analytics invokes advanced optimization tools to recommend a strategy or action.

Accepted Answer

A) True 
 B)False

Question 13

How many empty cells are there in the following dataset?

Accepted Answer

A)   0
B)   6
C)   8
D)   13
E)   28

Question 14

Explain business analytics.

Accepted Answer

Business analytics uses tools and techni...

Question 15

Which of the following statements regarding big data is FALSE?

Accepted Answer

A)   Data collection is so massive that it is now measured in gigabytes.
B)   One terabyte equals approximately one trillion bytes.
C)   Walmart's databases contain more than 2.5 petabytes.
D)   Digital data can be collected from web sites, credit cards, point-of-sale records, social media, and operational environments.
E)   Big data requires sophistication in how it is stored, processed, and analyzed.

Question 16

Business analytics uses tools and techniques to convert data into ________ and ________.

Accepted Answer

summary in...

Question 17

Which of the following statements is FALSE?

Accepted Answer

A)   Predictive analytics invokes advanced optimization tools to recommend a strategy or action.
B)   Descriptive analytics analyzes past data to predict the future.
C)   Prescriptive analytics characterizes and summaries data to facilitate understanding.
D)   None of these.
E)   All of these.

Question 18

A heat map uses colors to represent values, with lighter colors applied to more extreme values and darker colors applied to more moderate values.

Accepted Answer

A) True 
 B)False

Question 19

Sophisticated predictive and prescriptive tools have existed for only a few years.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is NOT one of the three approaches for data mining?

Accepted Answer

A)   text analysis
B)   sentiment analysis
C)   opinion mining
D)   pattern analytics
E)   test analysis

Exam 23: Applying Analytics to Big Data in Operations Management

Sophisticated predictive and prescriptive tools have existed for only a few years.

Correct AnswerverifiedShow Answer

Predictive analytics invokes advanced optimization tools to recommend a strategy or action.

Correct AnswerverifiedShow Answer

Explain business analytics.

Correct AnswerverifiedBusiness analytics uses tools and techni...View AnswerShow Answer

PivotTables are easiest to read if there is at most one field in the Rows area and one field in the Columns area.

Correct AnswerverifiedShow Answer

Which of the following is NOT one of the three approaches for data mining?

Correct AnswerverifiedShow Answer

The following figure is an example of a ________.

Correct AnswerverifiedShow Answer

Which of the following data visualization graphs plots data that are readily divided into categories?

Correct AnswerverifiedShow Answer

Which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

Which of the following business analytics tools presents an overview of the most important metrics (i.e., key success indicators) all in one place?

Correct AnswerverifiedShow Answer

Which of the following data visualization graphs shows the frequency of occurrences of a variable?

Correct AnswerverifiedShow Answer

Walmart's databases are estimated to contain more than 2.5 petabytes, the same size as the entire U.S. Library of Congress book collection.

Correct AnswerverifiedShow Answer

PivotTables are easiest to read if there is(are) at most ________ field(s) in the Rows area and ________ field(s) in the Columns area.

Correct AnswerverifiedShow Answer

A heat map uses colors to represent values, with ________ colors applied to more extreme values and ________ colors applied to more moderate values.

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE regarding data management?

Correct AnswerverifiedShow Answer

Which of the following data visualization graphs provides a best-fit line through a central tendency of points on a graph?

Correct AnswerverifiedShow Answer

How many empty cells are there in the following dataset?

Correct AnswerverifiedShow Answer

Business analytics uses tools and techniques to convert data into ________ and ________.

Correct Answerverifiedsummary in...View AnswerShow Answer

Which of the following Excel functions is used to facilitate quick accuracy checks on the extreme values?

Correct AnswerverifiedShow Answer

A heat map uses colors to represent values, with lighter colors applied to more extreme values and darker colors applied to more moderate values.

Correct AnswerverifiedShow Answer

Which of the following statements regarding big data is FALSE?

Correct AnswerverifiedShow Answer

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Business analytics uses tools and techni...
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PivotTables are easiest to read if there is(are) at most field(s) in the Rows area and field(s) in the Columns area.

Correct Answer
verified

A heat map uses colors to represent values, with colors applied to more extreme values and colors applied to more moderate values.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Business analytics uses tools and techniques to convert data into and .

Correct Answer
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summary in...
View Answer

Correct Answer
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Correct Answer
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