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WGU Applied-Probability-and-Statistics Exam Syllabus Topics:

WGU Applied Probability and Statistics (FZO1 C955) Sample Questions:

1. Probability sum for all outcomes = ?

A) < 1
B) > 1
C) 1
D) 0

2. Regression slope indicates:

A) Intercept
B) R²
C) Correlation
D) Change in Y per unit X

3. R² = 0.81 # correlation r = ?

A) 0.9
B) ±0.9
C) 0.81
D) ±0.81

4. Sample mean = best point estimate of population mean?

A) True
B) False
C) Only when the sample size is 1
D) Only for categorical data

5. Histogram is best for:

A) Categorical data
B) Boxplots
C) Scatterplots
D) Continuous numerical data frequency

Solutions: