WGU MBA Data Driven Decision Making Exam 84 Questions
with Verified Answers
For companies to attract and retain their best customers they need a complete
portrait of who they are. To develop this portrait companies turn to...
Statistics
Analytics
Management Science
Histograms - CORRECT ANSWER Analytics
A manufacturer wants to maximize their factory output while specifically
minimizing labor costs. What type of analytics might they employ to achieve this
goal?
Descriptive Analytics
Predictive Analytics
Prescriptive Analytics
Diagnostic Analytics - CORRECT ANSWER Prescriptive Analytics
What type of data error that occurs in measurement is constant within a data set
and is sometimes caused by faulty equipment or bias?
Random
Omission
Outlier
Systematic - CORRECT ANSWER Systematic
An Educator develops a new standardized test to measure math skills of ninth
graders. She has students in her home state of Ohio take the test. If the test is to
be used on a national level, what type of error might be found in her data?
Omission Error
Systematic Error
Measurement Bias
Information Bias - CORRECT ANSWER Measurement Bias
,A city government is trying to determine the national origins of its recent
immigrant population. If a survey of the immigrant population is conducted in
English what type of error might be present in the data?
Random
Omission
Outlier
Accuracy - CORRECT ANSWER Omission
The use of Big Data is increasingly important to businesses in competitive
markets. Which of the following characteristics is not true of big data?
Requires the use of analytics
Contains structured data
Contains unstructured data
Can be analyzed with traditional spreadsheets - CORRECT ANSWER Can be
analyzed with traditional spreadsheets
The Davenport-Kim three-stage model consists of framing the problem, solving
the problem, and communicating results. Which two of the following are part of
framing the problem stage?
Determine the scope of the problem
Data collection
Review of previous findings
Presenting a recommendation - CORRECT ANSWER Determine the scope of the
problem
Review of previous findings
A healthcare provider is researching blood glucose levels before and after
exercising. What two elements should be part of any experimental study such as
this?
Treatment procedures
Patient observation
Statistical validity
Experimental response - CORRECT ANSWER Experimental response
, Treatment procedures
Runners cover 26.2 miles in the Olympics marathon. What level of measurement
is this?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Ratio
What level of measurement is the type of cars produced in Ford factory?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Nominal
What level of measurement is this the 10 best cities in the U.S. to retire in?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Ordinal
What level of measurement are women's dress sizes (2,4,6, etc.)?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Interval
A local school board is studying the impact of a proposed change in testing on
math scores. Bias can be introduced into the study by both students and teachers.
Which research technique would eliminate this type of bias?
Observation study
Blind study
with Verified Answers
For companies to attract and retain their best customers they need a complete
portrait of who they are. To develop this portrait companies turn to...
Statistics
Analytics
Management Science
Histograms - CORRECT ANSWER Analytics
A manufacturer wants to maximize their factory output while specifically
minimizing labor costs. What type of analytics might they employ to achieve this
goal?
Descriptive Analytics
Predictive Analytics
Prescriptive Analytics
Diagnostic Analytics - CORRECT ANSWER Prescriptive Analytics
What type of data error that occurs in measurement is constant within a data set
and is sometimes caused by faulty equipment or bias?
Random
Omission
Outlier
Systematic - CORRECT ANSWER Systematic
An Educator develops a new standardized test to measure math skills of ninth
graders. She has students in her home state of Ohio take the test. If the test is to
be used on a national level, what type of error might be found in her data?
Omission Error
Systematic Error
Measurement Bias
Information Bias - CORRECT ANSWER Measurement Bias
,A city government is trying to determine the national origins of its recent
immigrant population. If a survey of the immigrant population is conducted in
English what type of error might be present in the data?
Random
Omission
Outlier
Accuracy - CORRECT ANSWER Omission
The use of Big Data is increasingly important to businesses in competitive
markets. Which of the following characteristics is not true of big data?
Requires the use of analytics
Contains structured data
Contains unstructured data
Can be analyzed with traditional spreadsheets - CORRECT ANSWER Can be
analyzed with traditional spreadsheets
The Davenport-Kim three-stage model consists of framing the problem, solving
the problem, and communicating results. Which two of the following are part of
framing the problem stage?
Determine the scope of the problem
Data collection
Review of previous findings
Presenting a recommendation - CORRECT ANSWER Determine the scope of the
problem
Review of previous findings
A healthcare provider is researching blood glucose levels before and after
exercising. What two elements should be part of any experimental study such as
this?
Treatment procedures
Patient observation
Statistical validity
Experimental response - CORRECT ANSWER Experimental response
, Treatment procedures
Runners cover 26.2 miles in the Olympics marathon. What level of measurement
is this?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Ratio
What level of measurement is the type of cars produced in Ford factory?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Nominal
What level of measurement is this the 10 best cities in the U.S. to retire in?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Ordinal
What level of measurement are women's dress sizes (2,4,6, etc.)?
Nominal
Ordinal
Interval
Ratio - CORRECT ANSWER Interval
A local school board is studying the impact of a proposed change in testing on
math scores. Bias can be introduced into the study by both students and teachers.
Which research technique would eliminate this type of bias?
Observation study
Blind study
