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WGU C207 Questions and Answers 2022/2023
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WGU C207 Questions and Answers 2022/2023
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WGU C207 DATA DRIVEN DECISION MAKING QUI s s s s s sZZES
1. (Quiz 1) 1. For companies to attract and retain their best customers they nee
s s s s s s s s s s s s s
d a complete portrait of who they are. To develop this portrait companies turn t
s s s s s s s s s s s s s s
o...
A) Statistics
B) Analytics
C) Management Science s
D) Histograms: B s
2. (Quiz 1) 2. A manufacturer wants to maximize their factory output while speci
s s s s s s s s s s s s
fically minimizing labor costs. What type of analytics might they employ to achi
s s s s s s s s s s s s
eve this goal? s s
A) Descriptive Analytics s
B) Predictive Analytics s
C) Prescriptive Analytics s
D) Diagnostic Analytics: C s s
3. (Quiz 1) 3. What type of data error that occurs in measurement is constant wi
s s s s s s s s s s s s s s
thin a data set and is sometimes caused by faulty equipment or bias?
s s s s s s s s s s s s
A) Random
B) Omission
C) Outlier
D) Systematic: D s
4. (Quiz 1) 4. An Educator develops a new standardized test to measure math sk
s s s s s s s s s s s s s
ills of ninth graders. She has students in her home state of Ohio take the test. If
s s s s s s s s s s s s s s s s s
the test is to be used on a national level, what type of error might be found in he
s s s s s s s s s s s s s s s s s s
r data?
s
A) Omission Error s
B) Systematic Error s
C) Measurement Bias s
D) Information Bias: C s s
5. (Quiz 1) 5. A city government is trying to determine the national origins of its
s s s s s s s s s s s s s s
recent immigrant population. If a survey of the immigrant population is condu
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cted in English what type of error might be present in the data?
s s s s s s s s s s s s
A) Random
B) Omission
1s/s18
, WGU C207 DATA DRIVEN DECISION MAKING QUI
s s s s s s
ZZES
C) Outlier
D) Accuracy: B s
6. (Quiz 1) 6. The use of Big Data is increasingly important to businesses in com
s s s s s s s s s s s s s s
petitive markets. Which of the following characteristics is NOT true of big data?
s s s s s s s s s s s s
A) Requires the use of analytics s s s s
B) Contains structured data s s
C) Contains unstructured data s s
D) Can be analyzed with traditional spreadsheets: D
s s s s s s
7. (Quiz 1) 7. The Davenport-Kim three-
s s s s s
stage model consists of framing the problem, solving the problem, and comm
s s s s s s s s s s s
unicating results. Which two of the following are part of framing the problem s
s s s s s s s s s s s s s
tage?
A) Determine the scope of the problem s s s s s
B) Data collection
s
C) Review of previous findings s s s
D) Presenting a recommendation: A & C s s s s s
8. (Quiz 1) 8. A healthcare provider is researching blood glucose levels before a
s s s s s s s s s s s s
nd after exercising. What two elements should be part of any experimental stud
s s s s s s s s s s s s
y such as this?
s s s
A) Treatment procedures s
B) Patient observation s
C) Statistical validity s
D) Experimental response: A & D s s s s
9. (Quiz 1) 9. Runners cover 26.2 miles in the Olympics marathon. What level of
s s s s s s s s s s s s s s
measurement is this? s s
A) Nominal
B) Ordinal
C) Interval
D) Ratio: D s
10. (Quiz 1) 10.What level of measurement is the type of cars produced in Ford fa
s s s s s s s s s s s s s s s
ctory?
A) Nominal
B) Ordinal
2s/s18
, WGU C207 DATA DRIVEN DECISION MAKING QUI s s s s s s
ZZES
C) Interval
D) Ratio: A s
11. (Quiz 1) 11. What level of measurement is this the 10 best cities in the U.S. to r
s s s s s s s s s s s s s s s s s
etire in? s
A) Nominal
B) Ordinal
C) Interval
D) Ratio: B s
12. (Quiz 1) 12. What level of measurement are women's dress sizes (2,4,6, et
s s s s s s s s s s s s
c.)?
A) Nominal
B) Ordinal
C) Interval
D) Ratio: C s
13. (Quiz 1) 13. A local school board is studying the impact of a proposed cha
s s s s s s s s s s s s s s
nge in testing on math scores. Bias can be introduced into the study by both s
s s s s s s s s s s s s s s s
tudents and teachers. Which research technique would eliminate this type of
s s s s s s s s s s s
bias?
A) Observation study s
B) Blind study s
C) Cohort study s
D) Double blind study: D s s s
14. (Quiz 1) 14. A Company's product development team test 3 new car waxes by
s s s s s s s s s s s s s
waxing 5 cars with each wax and then running them through a car wash. They t
s s s s s s s s s s s s s s s s
hen record number of washes it takes before the wax begins to deteri-
s s s s s s s s s s s s
orate. What is the term for the five cars?
s s s s s s s s s
A) The response s
B) The construct validity
s s
C) The experimental unit
s s
D) The treatment: C s s
15. (Quiz 2) 1. An online retailer selling workout apparel has a large increase in sa
s s s s s s s s s s s s s s
les during December and declares that their weekly newspaper ad resulted in hi
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gher sales. What misuse of statistics may the retailer have used in making this de
s s s s s s s s s s s s s s
cision?
3s/s18
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