C207 Data-Driven
Decision Making Exam
Questions And Correct
Answers (Verified
Answers) Plus
Rationales 2025/2026
Q&A | Instant
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1. What is the primary purpose of data-driven decision
making?
A. To replace human judgment entirely
B. To improve decisions using facts and evidence
C. To eliminate the need for data analysis
D. To rely only on intuition
,Rationale: Data-driven decision making uses verified data
and analytics to support better, more objective decisions
rather than intuition alone.
2. Which type of data is collected directly from original
sources?
A. Secondary data
B. Primary data
C. Tertiary data
D. Archived data
Rationale: Primary data is gathered firsthand through
surveys, experiments, or observations.
3. What does descriptive analytics primarily do?
A. Predict future outcomes
B. Summarize historical data
C. Prescribe actions
D. Generate random samples
Rationale: Descriptive analytics focuses on what has already
happened by summarizing past data.
4. Which measure is most affected by extreme values?
A. Median
B. Mode
,C. Mean
D. Range
Rationale: The mean is sensitive to outliers, which can skew
results.
5. What is the role of data visualization?
A. Store large datasets
B. Present data in a visual format for easier interpretation
C. Replace statistical analysis
D. Eliminate data cleaning
Rationale: Visualization helps stakeholders quickly
understand trends and patterns.
6. Which chart is best for showing proportions of a whole?
A. Line chart
B. Histogram
C. Pie chart
D. Scatter plot
Rationale: Pie charts display how parts contribute to a
whole.
7. What is a hypothesis?
A. A proven fact
B. A testable statement or assumption
, C. A data collection tool
D. A statistical model
Rationale: A hypothesis is an assumption that can be tested
using data.
8. What does variability measure in a dataset?
A. Central tendency
B. Spread of data values
C. Data accuracy
D. Data collection time
Rationale: Variability shows how dispersed data points are.
9. Which metric is the middle value of a dataset?
A. Mean
B. Mode
C. Median
D. Standard deviation
Rationale: The median is the central value when data is
ordered.
10. What is predictive analytics used for?
A. Describing past data
B. Forecasting future outcomes
C. Cleaning data
D. Storing data
Decision Making Exam
Questions And Correct
Answers (Verified
Answers) Plus
Rationales 2025/2026
Q&A | Instant
Download Pdf
1. What is the primary purpose of data-driven decision
making?
A. To replace human judgment entirely
B. To improve decisions using facts and evidence
C. To eliminate the need for data analysis
D. To rely only on intuition
,Rationale: Data-driven decision making uses verified data
and analytics to support better, more objective decisions
rather than intuition alone.
2. Which type of data is collected directly from original
sources?
A. Secondary data
B. Primary data
C. Tertiary data
D. Archived data
Rationale: Primary data is gathered firsthand through
surveys, experiments, or observations.
3. What does descriptive analytics primarily do?
A. Predict future outcomes
B. Summarize historical data
C. Prescribe actions
D. Generate random samples
Rationale: Descriptive analytics focuses on what has already
happened by summarizing past data.
4. Which measure is most affected by extreme values?
A. Median
B. Mode
,C. Mean
D. Range
Rationale: The mean is sensitive to outliers, which can skew
results.
5. What is the role of data visualization?
A. Store large datasets
B. Present data in a visual format for easier interpretation
C. Replace statistical analysis
D. Eliminate data cleaning
Rationale: Visualization helps stakeholders quickly
understand trends and patterns.
6. Which chart is best for showing proportions of a whole?
A. Line chart
B. Histogram
C. Pie chart
D. Scatter plot
Rationale: Pie charts display how parts contribute to a
whole.
7. What is a hypothesis?
A. A proven fact
B. A testable statement or assumption
, C. A data collection tool
D. A statistical model
Rationale: A hypothesis is an assumption that can be tested
using data.
8. What does variability measure in a dataset?
A. Central tendency
B. Spread of data values
C. Data accuracy
D. Data collection time
Rationale: Variability shows how dispersed data points are.
9. Which metric is the middle value of a dataset?
A. Mean
B. Mode
C. Median
D. Standard deviation
Rationale: The median is the central value when data is
ordered.
10. What is predictive analytics used for?
A. Describing past data
B. Forecasting future outcomes
C. Cleaning data
D. Storing data
