EXAM 2026/2027 | COMPLETE 80 QUESTIONS & ANSWERS |
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Overview
indicates that the content focuses on the final assessment for the Western Governors University (WGU)
course C207, which teaches the foundations of data analysis, statistical reasoning, and evidence-based
decision making.
The phrase “Comprehensive Final Exam Overview” means the material covers the full scope of
concepts, skills, and topics that typically appear on the C207 final exam—including data types, sampling,
probability, hypothesis testing, regression, data interpretation, and ethical data use.
This title signals to the learner that they will receive a structured summary designed to help them
prepare effectively for the exam by understanding key knowledge areas and the analytical thinking
required to perform well.
SECTION 1 — FOUNDATIONS OF DATA & DECISION MAKING
1. Which of the following best describes the purpose of data-driven decision-
making?
A. To replace human intuition entirely
B. To improve decisions by integrating evidence, analysis, and measurable
outcomes
C. To rely exclusively on big data systems
D. To increase workload and data storage needs
Answer: B
2. In C207, data is defined as:
A. Personal opinions collected over time
B. Raw facts that can be transformed into meaningful information
C. Any numbers generated by a computer
D. Only information stored in enterprise databases
Answer: B
3. Which term refers to transforming raw data into usable meaning?
A. Validation
B. Data mining
,C. Information processing
D. Cleansing
Answer: C
4. A decision model is primarily used to:
A. Guess future trends
B. Systematically structure a decision using relevant variables
C. Increase project cost
D. Replace analysts
Answer: B
5. Which of the following is a characteristic of good data?
A. Excessively complex
B. Timely, accurate, relevant
C. Difficult to obtain
D. Only quantitative
Answer: B
SECTION 2 — DATA TYPES & MEASUREMENT
6. The age of employees measured in years is an example of:
A. Nominal
B. Ordinal
C. Interval
D. Ratio
Answer: D
7. Customer satisfaction categorized as “Poor, Fair, Good, Excellent” is what
type of variable?
A. Ratio
B. Ordinal
C. Nominal
D. Continuous
Answer: B
, 8. Employee ID numbers are considered:
A. Nominal
B. Ordinal
C. Interval
D. Ratio
Answer: A
9. Temperature in Fahrenheit is a(n):
A. Interval variable
B. Ratio variable
C. Nominal variable
D. Count variable
Answer: A
10. Sales revenue is a:
A. Binary variable
B. Ratio variable
C. Qualitative variable
D. Nominal variable
Answer: B
SECTION 3 — SAMPLING & DATA COLLECTION
11. Which sampling method gives every member an equal chance of being
chosen?
A. Cluster
B. Convenience
C. Stratified
D. Simple random
Answer: D
12. Selecting 10 students from each of 5 majors at a university is:
A. Cluster sampling
B. Stratified sampling