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WGU Data-Driven-Decision-Making Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Probability & Statistical Inference | 20% | - Correlation vs. causation - Hypothesis testing, p-values, confidence intervals - Probability rules, distributions, expected value |
| Topic 2: Predictive Analytics & Regression | 20% | - Interpreting coefficients, R-squared, significance - Forecasting & trend analysis - Simple & multiple linear regression |
| Topic 3: Statistical Concepts & Descriptive Analytics | 25% | - Data types, measurement scales, sampling methods - Data visualization: charts, graphs, dashboards - Measures of central tendency, dispersion, distribution |
| Topic 4: Decision Models & Prescriptive Analytics | 15% | - Decision trees, payoff matrices, expected value - Optimization, sensitivity analysis - Quality & process improvement tools |
| Topic 5: Foundations of Data-Driven Decision Making | 20% | - Ethics, privacy, and data governance - Role of data in business decisions - Types of analytics: descriptive, predictive, prescriptive |
WGU VPC2Data-Driven Decision MakingC207 Sample Questions:
An analyst used multiple linear regression to show how a big box store's sales (y) are predicted by the big box store's advertising expenditure in dollars (variable x1) and the advertising expenditure in dollars of a specialty store (variable x2) in the same market. The estimated regression is y = 651.57 + 92.30x1 # 26.89x2. How are advertising expenditures and sales related in this scenario?
- A. If the big box store increases its advertising expenditures, its sales will decrease.
- B. If the specialty store increases its advertising expenditures, it will decrease the big box store's sales.
- C. If the big box store decreases its advertising expenditures, it will decrease the big box store's sales.
- D. If the big box store decreases its advertising expenditures, its sales will increase.
Correct Answer: B 🗳️
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A spa wants to determine which duration of its massage packages is the most popular. The spa has 30-minute,
50-minute, and 75-minute sessions. Which statistical measure should be used and is less affected by outliers and skewed data?
- A. Median
- B. Standard deviation
- C. Mean
- D. Mode
Correct Answer: D 🗳️
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A clothing company wants to predict sales figures based on the amount spent on advertising.
Which type of regression analysis should this company use?
- A. Multiple linear regression
- B. Logistic regression
- C. Linear regression
- D. Time series regression
Correct Answer: C 🗳️
Explanation: Only visible for PassSureExam members. You can sign-up / login (it's free).
What is an advantage of a balanced scorecard?
- A. It requires little effort to establish a meaningful dashboard.
- B. It emphasizes strategy and organizational results.
- C. It requires minimal data.
- D. It increases the amount of available data to analyze.
Correct Answer: B 🗳️
Explanation: Only visible for PassSureExam members. You can sign-up / login (it's free).
Two project teams are assigned to upgrade an on-premise data warehouse to a cloud-based data lake in 13 months. The infrastructure team has five team members, while the enterprise analytics team has three team members. The enterprise analytics team cannot move into production until the infrastructure team has completed the migration.
What should be used to find the probability that the project will be completed on time?
- A. Combination
- B. Conditional probability
- C. Multiplication principle
- D. Bayes' theorem
Correct Answer: B 🗳️
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