WGU C207 OA DATA DRIVEN DECISION MAKING
LATEST EXAM TESTBANK 2025/2026 COMPLETE 300
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) NEWEST UPDATED VERSION
|GUARANTEED PASS A+
The use of Big Data is increasingly important to businesses in
competitive markets. Which of the following characteristics is
not true of big data?
o requires the use of analytics
o contains structured data
o contains unstructured data
answer- o 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?
o determines the scope of the problem
o data collection
o review previous findings
o presenting a recommendation
,answer- determine the scope of the problem and 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?
o treatment procedures
o patient observation
o statistical validity
o experimental response
answer- treatment procedures and experimental response
Runners cover 26.2 miles in the Olympics marathon. What level
of measurement is this?
Answer- ratio
What level of measurement is the type of cars produced in Ford
factory?
Answer- nominal
,What level of measurement is this the 10 best cities in the U.S.
to retire in?
Answer- ordinal
What level of measurement are women's dress sizes (0, 2, 4, 6,
etc.)?
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?
Answer- double-blind study
A Company's product development team test 3 new car waxes
by waxing 5 cars with each wax and then running them through
a car wash. They then record number of washes it takes before
the wax begins to deteriorate. What is the term for the five cars?
, Answer- experimental unit
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...
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?
Answer- prescriptive analysis
What type of data error occurs when measurement is constant
within a data set and is sometimes cause by faulty equipment or
bias?
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?
LATEST EXAM TESTBANK 2025/2026 COMPLETE 300
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) NEWEST UPDATED VERSION
|GUARANTEED PASS A+
The use of Big Data is increasingly important to businesses in
competitive markets. Which of the following characteristics is
not true of big data?
o requires the use of analytics
o contains structured data
o contains unstructured data
answer- o 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?
o determines the scope of the problem
o data collection
o review previous findings
o presenting a recommendation
,answer- determine the scope of the problem and 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?
o treatment procedures
o patient observation
o statistical validity
o experimental response
answer- treatment procedures and experimental response
Runners cover 26.2 miles in the Olympics marathon. What level
of measurement is this?
Answer- ratio
What level of measurement is the type of cars produced in Ford
factory?
Answer- nominal
,What level of measurement is this the 10 best cities in the U.S.
to retire in?
Answer- ordinal
What level of measurement are women's dress sizes (0, 2, 4, 6,
etc.)?
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?
Answer- double-blind study
A Company's product development team test 3 new car waxes
by waxing 5 cars with each wax and then running them through
a car wash. They then record number of washes it takes before
the wax begins to deteriorate. What is the term for the five cars?
, Answer- experimental unit
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...
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?
Answer- prescriptive analysis
What type of data error occurs when measurement is constant
within a data set and is sometimes cause by faulty equipment or
bias?
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?
