WGU D467 BUS 2770 Exploring Data FA PRE-TEST GUIDE 2025/2026

1. Multiple Choice: What statistical method is best used for
identifying the relationship between supply chain lead time and
customer satisfaction?
 a) Regression analysis
 b) Mean comparison
 c) Time series analysis
 d) Probability distribution
 Correct Answer: a) Regression analysis
 Rationale: Regression analysis is a powerful statistical tool that
helps in understanding and quantifying the relationship between
two or more variables.
2. Fill-in-the-Blank: The ________ is a measure of central
tendency that is most appropriate when dealing with skewed data
distributions in supply chain datasets.
 Correct Answer: Median
 Rationale: The median is less affected by outliers and skewed
data than the mean, making it a more appropriate measure of
central tendency for skewed distributions.
3. True/False: In operations management, the bullwhip effect
refers to the fluctuation in orders that are greater than the changes
in actual customer demand.