WGU C207 Data-Driven Decision-Making Final Exam
Practice Test Actual 2025/2026 with Detailed
Rationales | 100% Verified | Pass Guaranteed – A+
Graded
SECTION 1: Data Analytics Foundations (10 Questions)
Q1: Which type of analytics answers the question "What happened?"
A. Prescriptive analytics
B. Predictive analytics
C. Descriptive analytics
D. Diagnostic analytics
Correct Answer: C
Rationale: Correct because descriptive analytics summarizes historical data to
answer "what happened."
Q2: A company wants to determine why sales declined last quarter. Which type of
analytics should they use?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics examines data to determine causes
of past outcomes.
Q3: A company wants to forecast next quarter's sales. Which type of analytics is
most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
,D. Prescriptive analytics
Correct Answer: C
Rationale: Correct because predictive analytics uses historical data to forecast
future outcomes.
Q4: Prescriptive analytics aims to answer the question:
A. What happened?
B. Why did it happen?
C. What will happen?
D. What should we do?
Correct Answer: D
Rationale: Correct because prescriptive analytics recommends optimal actions.
Q5: Which of the following is a prescriptive analytics technique?
A. Regression analysis
B. Optimization modeling
C. Time series forecasting
D. Cluster analysis
Correct Answer: B
Rationale: Correct because prescriptive analytics uses optimization to recommend
actions.
Q6: Which of the following is a prescriptive analytics tool?
A. What-if analysis
B. Regression analysis
C. Correlation analysis
D. Clustering analysis
Correct Answer: A
Rationale: Correct because what-if analysis is a prescriptive tool for exploring
decision alternatives.
Q7: A company wants to identify which marketing channel drives the most sales.
Which analytics approach is most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
, D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics helps understand cause-effect
relationships.
Q8: Which of the following is an example of descriptive analytics?
A. Sales forecast for next quarter
B. Monthly sales report
C. Determining why sales declined
D. Recommending a marketing strategy
Correct Answer: B
Rationale: Correct because monthly sales reports summarize historical data.
Q9: A company wants to evaluate the impact of a new pricing strategy on sales.
Which approach is most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics evaluates cause-and-effect
relationships.
Q10: Which of the following best describes a KPI (Key Performance Indicator)?
A. Any piece of data collected
B. A metric that measures progress toward objectives
C. The raw data from a survey
D. A statistical test result
Correct Answer: B
Rationale: Correct because KPIs measure progress toward strategic goals.
SECTION 2: Descriptive & Diagnostic Analytics (10 Questions)
Q11: Which measure of central tendency is most affected by outliers?
A. Mean
Practice Test Actual 2025/2026 with Detailed
Rationales | 100% Verified | Pass Guaranteed – A+
Graded
SECTION 1: Data Analytics Foundations (10 Questions)
Q1: Which type of analytics answers the question "What happened?"
A. Prescriptive analytics
B. Predictive analytics
C. Descriptive analytics
D. Diagnostic analytics
Correct Answer: C
Rationale: Correct because descriptive analytics summarizes historical data to
answer "what happened."
Q2: A company wants to determine why sales declined last quarter. Which type of
analytics should they use?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics examines data to determine causes
of past outcomes.
Q3: A company wants to forecast next quarter's sales. Which type of analytics is
most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
,D. Prescriptive analytics
Correct Answer: C
Rationale: Correct because predictive analytics uses historical data to forecast
future outcomes.
Q4: Prescriptive analytics aims to answer the question:
A. What happened?
B. Why did it happen?
C. What will happen?
D. What should we do?
Correct Answer: D
Rationale: Correct because prescriptive analytics recommends optimal actions.
Q5: Which of the following is a prescriptive analytics technique?
A. Regression analysis
B. Optimization modeling
C. Time series forecasting
D. Cluster analysis
Correct Answer: B
Rationale: Correct because prescriptive analytics uses optimization to recommend
actions.
Q6: Which of the following is a prescriptive analytics tool?
A. What-if analysis
B. Regression analysis
C. Correlation analysis
D. Clustering analysis
Correct Answer: A
Rationale: Correct because what-if analysis is a prescriptive tool for exploring
decision alternatives.
Q7: A company wants to identify which marketing channel drives the most sales.
Which analytics approach is most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
, D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics helps understand cause-effect
relationships.
Q8: Which of the following is an example of descriptive analytics?
A. Sales forecast for next quarter
B. Monthly sales report
C. Determining why sales declined
D. Recommending a marketing strategy
Correct Answer: B
Rationale: Correct because monthly sales reports summarize historical data.
Q9: A company wants to evaluate the impact of a new pricing strategy on sales.
Which approach is most appropriate?
A. Descriptive analytics
B. Diagnostic analytics
C. Predictive analytics
D. Prescriptive analytics
Correct Answer: B
Rationale: Correct because diagnostic analytics evaluates cause-and-effect
relationships.
Q10: Which of the following best describes a KPI (Key Performance Indicator)?
A. Any piece of data collected
B. A metric that measures progress toward objectives
C. The raw data from a survey
D. A statistical test result
Correct Answer: B
Rationale: Correct because KPIs measure progress toward strategic goals.
SECTION 2: Descriptive & Diagnostic Analytics (10 Questions)
Q11: Which measure of central tendency is most affected by outliers?
A. Mean
