WGU C207 Data-Driven Decision Making OA Exam
Questions and Answers
1. 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...
A) Statistics
B) Analytics
C) Management Science
D) Histograms
B
2. A manufacturer wants to maximize their factory output while specifically
minimizing labor costs. What type of analytics might they employ to achieve this
goal?
A) Descriptive Analytics
B) Predictive Analytics
C) Prescriptive Analytics
D) Diagnostic Analytics
C
3. What type of data error that occurs in measurement is constant within a data
set and is sometimes caused by faulty equipment or bias?
,A) Random
B) Omission
C) Outlier
D) Systematic
D
4. 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?
A) Omission Error
B) Systematic Error
C) Measurement Bias
D) Information Bias
C
5. 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?
A) Random
B) Omission
C) Outlier
D) Accuracy
B
,6. The use of Big Data is increasingly important to businesses in competitive
markets. Which of the following characteristics is NOT true of big data?
A) Requires the use of analytics
B) Contains structured data
C) Contains unstructured data
D) Can be analyzed with traditional spreadsheets
D
7. 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?
A) Determine the scope of the problem
B) Data collection
C) Review of previous findings
D) Presenting a recommendation
A&C
8. 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?
A) Treatment procedures
, B) Patient observation
C) Statistical validity
D) Experimental response
A&D
9. Runners cover 26.2 miles in the Olympics marathon. What level of
measurement is this?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
D
10. What level of measurement is the type of cars produced in Ford factory?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
A
Questions and Answers
1. 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...
A) Statistics
B) Analytics
C) Management Science
D) Histograms
B
2. A manufacturer wants to maximize their factory output while specifically
minimizing labor costs. What type of analytics might they employ to achieve this
goal?
A) Descriptive Analytics
B) Predictive Analytics
C) Prescriptive Analytics
D) Diagnostic Analytics
C
3. What type of data error that occurs in measurement is constant within a data
set and is sometimes caused by faulty equipment or bias?
,A) Random
B) Omission
C) Outlier
D) Systematic
D
4. 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?
A) Omission Error
B) Systematic Error
C) Measurement Bias
D) Information Bias
C
5. 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?
A) Random
B) Omission
C) Outlier
D) Accuracy
B
,6. The use of Big Data is increasingly important to businesses in competitive
markets. Which of the following characteristics is NOT true of big data?
A) Requires the use of analytics
B) Contains structured data
C) Contains unstructured data
D) Can be analyzed with traditional spreadsheets
D
7. 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?
A) Determine the scope of the problem
B) Data collection
C) Review of previous findings
D) Presenting a recommendation
A&C
8. 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?
A) Treatment procedures
, B) Patient observation
C) Statistical validity
D) Experimental response
A&D
9. Runners cover 26.2 miles in the Olympics marathon. What level of
measurement is this?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
D
10. What level of measurement is the type of cars produced in Ford factory?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
A
