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WGU Data-Driven-Decision-Making Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Statistical Concepts & Descriptive Analytics | 25% | - Data types, measurement scales, sampling methods - Data visualization: charts, graphs, dashboards - Measures of central tendency, dispersion, distribution |
| Predictive Analytics & Regression | 20% | - Simple & multiple linear regression - Forecasting & trend analysis - Interpreting coefficients, R-squared, significance |
| Foundations of Data-Driven Decision Making | 20% | - Types of analytics: descriptive, predictive, prescriptive - Role of data in business decisions - Ethics, privacy, and data governance |
| Probability & Statistical Inference | 20% | - Hypothesis testing, p-values, confidence intervals - Correlation vs. causation - Probability rules, distributions, expected value |
| Decision Models & Prescriptive Analytics | 15% | - Optimization, sensitivity analysis - Decision trees, payoff matrices, expected value - Quality & process improvement tools |
WGU VPC2Data-Driven Decision MakingC207 Sample Questions:
Question #1
Why are experiments conducted using random sample populations?
A. Because studying an entire population is difficult and impractical.
B. Because random sample populations ensure bias elimination.
C. Because entire population data have too many outliers.
D. Because the software to analyze entire populations is expensive.
Question #2
Amusement Park W is in California. Amusement Park X is in Texas. A survey asks 1,000 people living in California if they prefer Amusement Park W or X.
Which problem exists with this survey?
A. Systematic error
B. Measurement bias
C. Random error
D. Information bias
Question #3
A boutique specializing in gifts reviews its sales data over the last year. It observes a slow decline in revenue in the first quarter, a growth in revenue in the second quarter, a slight decline in revenue in the third quarter, and a rapid increase in revenue in the fourth quarter.
Which data pattern type can the sales data be assessed against?
A. Irregularity
B. Seasonality
C. Cyclicality
D. Random variation
Question #4
Which two types of graphs illustrate and analyze measurements or trends over time?
Choose 2 answers.
A. Check sheet
B. Pareto chart
C. Run chart
D. Control chart
Question #5
An organization develops a new strategic plan and seeks ways to improve process performance by reducing variation to only 3.4 defects per million process outputs.
Which tool can the organization use to meet this goal?
A. Statistical process control
B. Six Sigma
C. Linear programming
D. Just-in-time
Solutions:
| Question #1 Correct Answer: A | Question #2 Correct Answer: A | Question #3 Correct Answer: B | Question #4 Correct Answer: C,D | Question #5 Correct Answer: B |
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