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WGU Data-Driven-Decision-Making Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Predictive Analytics & Regression | 20% | - Interpreting coefficients, R-squared, significance - Forecasting & trend analysis - Simple & multiple linear regression |
| Statistical Concepts & Descriptive Analytics | 25% | - Data types, measurement scales, sampling methods - Measures of central tendency, dispersion, distribution - Data visualization: charts, graphs, dashboards |
| Decision Models & Prescriptive Analytics | 15% | - Decision trees, payoff matrices, expected value - Optimization, sensitivity analysis - Quality & process improvement tools |
| Probability & Statistical Inference | 20% | - Correlation vs. causation - Hypothesis testing, p-values, confidence intervals - Probability rules, distributions, expected value |
| Foundations of Data-Driven Decision Making | 20% | - Role of data in business decisions - Ethics, privacy, and data governance - Types of analytics: descriptive, predictive, prescriptive |
WGU VPC2Data-Driven Decision MakingC207 Sample Questions:
A political ballot gives voters the option to vote for one of three candidates. Eight voters cast their ballots.
Which statistical rule should be used to determine the possible voting outcomes?
- A. Bayes ' theorem
- B. Multiplication principle
- C. Conditional probability
- D. Combination
Correct Answer: B 🗳️
Explanation: Only visible for Test4Engine members. You can sign-up / login (it's free).
A researcher notes that people who exercise daily tend to sleep better. The researcher then asks subjects to keep a sleep diary and record the number of hours they sleep each night. Some diaries have few entries, but the subjects claim they are well rested. Which type of error is represented in this research?
- A. Lack of blinding
- B. Conscious bias
- C. Response bias
- D. Cause-and-effect confusion
Correct Answer: C 🗳️
Explanation: Only visible for Test4Engine members. You can sign-up / login (it's free).
A digital marketing manager wants to determine whether conversion rates from the company's latest email campaign are about the same as the industry average or significantly different. Which statistical concept should be used to measure the data set?
- A. Mean
- B. Standard deviation
- C. Bell curve
- D. Median
Correct Answer: B 🗳️
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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. Cyclicality
- B. Irregularity
- C. Random variation
- D. Seasonality
Correct Answer: D 🗳️
Explanation: Only visible for Test4Engine members. You can sign-up / login (it's free).
Which analytic used in healthcare is calculated as a proportion of new cases compared to person-time units?
- A. Incidence rate
- B. Cumulative incidence
- C. Prevalence
- D. Morbidity rate
Correct Answer: A 🗳️
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