Exam (elaborations)
WGU C207 Questions and Answers 2022/2023
- Course
- Institution
WGU C207 Questions and Answers 2022/2023
[Show more]
Content preview
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
s s s s s s s s s s s s
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
s s s s s s s s s s s s
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller AGRADEPROMASTER. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now