WGU Data-Driven-Decision-Making Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Probability and Statistical Inference | - Sampling methods and sampling error - Probability concepts and distributions |
| Hypothesis Testing | - Null and alternative hypotheses - t-tests, chi-square tests, and significance testing |
| Regression and Correlation Analysis | - Linear regression modeling - Interpreting correlation and causation |
| Data Fundamentals and Business Analytics | - Data types and data collection methods - Descriptive statistics (mean, median, variance, standard deviation) |
| Decision Making Models | - Risk and uncertainty in decision-making - Decision trees and expected value analysis |
WGU VPC2Data-Driven Decision MakingC207 Sample Questions:
1. Which performance metric simultaneously accounts for financial, customer, internal process, and learning metrics?
A) Customer complaint report
B) Income statement
C) Balance sheet
D) Balanced scorecard
2. What does prevalence measure when studying disease frequency?
A) Only new cases of a disease
B) All existing cases of a disease
C) Potential future cases of a disease
D) Only past cases of a disease
3. A researcher wants to estimate the average wholesale price of a gallon of gas in the United States. Several gas station owners along the East Coast are asked what price they pay wholesale for a gallon of gas. The researcher then averages these values for the sample mean price of a gallon of gas. Which problem would be discovered if this researcher's work were evaluated?
A) There is response bias in the data.
B) There is conscious bias in the data.
C) There is faulty calibration in the data collection.
D) The sample data are not representative of the population.
4. A nonprofit organization is asking for donations. It hopes to design an email campaign that will ensure it receives at least $50,000. The campaign will reach 10,000 donors and receive donations with a mean of $10 and a standard deviation of $5.
Which measure should be used to determine the probability of the campaign receiving $50,000?
A) Z-score
B) Median
C) R-squared
D) T-statistic
5. Which two statements describe Ishikawa's seven basic tools of quality?
Choose 2 answers.
A) An average worker can easily understand how to use the tools.
B) Processes are represented graphically.
C) The tools help develop advanced training for employees.
D) Processes are represented with photos of each input and output.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: A,B |
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