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WGU Applied-Probability-and-Statistics Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Descriptive Statistics | - Single Variable Data Analysis
|
| Topic 2: Regression and Modeling | - Linear Relationships
|
| Topic 3: Statistical Inference | - Estimation and Confidence Intervals
|
| Topic 4: Probability Theory | - Fundamental Probability Concepts
|
WGU Applied Probability and Statistics (FZO1 C955) Sample Questions:
1. Variance of Poisson # = 5 = ?
A) 1
B) 0
C) 4
D) 5
2. Type II error # is:
A) Sample error
B) Accept H# when false
C) Reject H# when true
D) 1 # #
3. A sample of 100 houses was surveyed in each of two states: Georgia and Kansas. Square footages of the houses are summarized by state in the following side-by-side box plots.
What is the interquartile range for house sizes in Georgia?
A) 3000 sq ft
B) 4500 sq ft
C) 2000 sq ft
D) 1500 sq ft
4. A hospital analyzes the recovery rates of patients undergoing two different treatments for a specific condition.
Treatment X has an overall recovery rate of 80%, while Treatment Y has a recovery rate of 90%. However, when the data is divided by age groups, Treatment X has a higher recovery rate in each age group compared to Treatment Y.
Is Simpson's paradox present in this study?
A) Yes, because the overall recovery rates are inconsistent with the age group-specific rates.
B) No, because the study does not involve a confounding variable that affects recovery rates.
C) Yes, because the recovery rates differ between the two treatments.
D) No, because the overall recovery rate is higher for Treatment Y.
5. Independent events: P(A|B) = ?
A) P(B)
B) 0
C) P(A)
D) P(A) + P(B)
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: C |
Heather -
Passed Applied-Probability-and-Statistics exam with 973/1000 in England. Thank you for providing so valid and helpful Applied-Probability-and-Statistics exam questions!