WGU C207 Exam 2026 | Practice Questions &
Answers | Comprehensive Exam Prep Guide
, Section 1: Quiz
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
• histograms
• analytics
• management science
• statistics
2. A manufacturer wants to maximize their factory output while specifically
minimizing labor costs.
Which type of analytics might they employ to achieve this goal?
• Predictive analytics
• Descriptive analytics
• Diagnostic analytics
• Prescriptive analytics
3. Which type of data error that occurs in measurement is constant within a
data set and is sometimes caused by faulty equipment or bias?
• Omission
• Random
• Systematic
• Outlier
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, which type of error might be
found in her data?
• Systematic error
• Omission error
• Information bias
• Measurement bias
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, which type of
error might be present in the data?
• Random
• Outlier
• Omission
• Accuracy
6. The use of big data is increasingly important to businesses in competitive
markets.
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, Which of the following characteristics is not true of big data?
• Contains unstructured data
• Can be analyzed with traditional spreadsheets
• Requires the use of analytics
• Contains structured data
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?
• Determine the scope of the problem
• Data collection
• Review of previous findings
• Presenting a recommendation
8. A healthcare provider is researching blood glucose levels before and after
exercising.
Which two elements should be part of any experimental study such as this?
• Treatment procedures
• Patient observation
• Statistical validity
• Experimental response
9. Runners cover 26.2 miles in the Olympics marathon.
Which level of measurement is this?
• Ratio
• Ordinal
• Nominal
• Interval
10. Which level of measurement is the type of cars produced in a Ford factory?
• Nominal
• Interval
• Ordinal
• Ratio
11. Which level of measurement is the 10 best cities in the U.S. to retire in?
• Ratio
• Ordinal
• Nominal
• Interval
12. Which level of measurement are women’s dress sizes (0, 2, 4, 6, etc.)?
messages.downloaded_by
, • Ratio
• Ordinal
• Nominal
• Interval
13. 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?
• Double-blind study
• Blind study
• Cohort study
• Observation study
14. A company’s product development team test three new car waxes by
waxing five 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?
• The treatment
• The construct validity
• The response
• The experimental unit
Section 2: Quiz
1. An online retailer selling workout apparel has a large increase in sales during
December and declares that their weekly newspaper ad resulted in higher
sales.
Which misuse of statistics may the retailer have used in making this
decision?
• Small sample size
• Association and causation
• Missing data
• Conscious bias
messages.downloaded_by
Answers | Comprehensive Exam Prep Guide
, Section 1: Quiz
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
• histograms
• analytics
• management science
• statistics
2. A manufacturer wants to maximize their factory output while specifically
minimizing labor costs.
Which type of analytics might they employ to achieve this goal?
• Predictive analytics
• Descriptive analytics
• Diagnostic analytics
• Prescriptive analytics
3. Which type of data error that occurs in measurement is constant within a
data set and is sometimes caused by faulty equipment or bias?
• Omission
• Random
• Systematic
• Outlier
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, which type of error might be
found in her data?
• Systematic error
• Omission error
• Information bias
• Measurement bias
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, which type of
error might be present in the data?
• Random
• Outlier
• Omission
• Accuracy
6. The use of big data is increasingly important to businesses in competitive
markets.
messages.downloaded_by
, Which of the following characteristics is not true of big data?
• Contains unstructured data
• Can be analyzed with traditional spreadsheets
• Requires the use of analytics
• Contains structured data
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?
• Determine the scope of the problem
• Data collection
• Review of previous findings
• Presenting a recommendation
8. A healthcare provider is researching blood glucose levels before and after
exercising.
Which two elements should be part of any experimental study such as this?
• Treatment procedures
• Patient observation
• Statistical validity
• Experimental response
9. Runners cover 26.2 miles in the Olympics marathon.
Which level of measurement is this?
• Ratio
• Ordinal
• Nominal
• Interval
10. Which level of measurement is the type of cars produced in a Ford factory?
• Nominal
• Interval
• Ordinal
• Ratio
11. Which level of measurement is the 10 best cities in the U.S. to retire in?
• Ratio
• Ordinal
• Nominal
• Interval
12. Which level of measurement are women’s dress sizes (0, 2, 4, 6, etc.)?
messages.downloaded_by
, • Ratio
• Ordinal
• Nominal
• Interval
13. 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?
• Double-blind study
• Blind study
• Cohort study
• Observation study
14. A company’s product development team test three new car waxes by
waxing five 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?
• The treatment
• The construct validity
• The response
• The experimental unit
Section 2: Quiz
1. An online retailer selling workout apparel has a large increase in sales during
December and declares that their weekly newspaper ad resulted in higher
sales.
Which misuse of statistics may the retailer have used in making this
decision?
• Small sample size
• Association and causation
• Missing data
• Conscious bias
messages.downloaded_by
