WGU C207 DATA DRIVEN DECISION
MAKING STUDY GUIDE 2026
COMPLETE QUESTIONS AND
VERIFIED ANSWERS
◉ 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 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? 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? 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?
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? 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? 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? Answer: treatment procedures, 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 (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
MAKING STUDY GUIDE 2026
COMPLETE QUESTIONS AND
VERIFIED ANSWERS
◉ 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 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? 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? 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?
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? 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? 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? Answer: treatment procedures, 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 (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
