WGU D467 BUS 2770 Exploring Data FA PRE-TEST GUIDE 2026/2027

WGU D467 BUS 2770 Exploring Data FA PRE-TEST GUIDE 2026/2027

1. Multiple Choice: What statistical method is best used for
identifying the relationship between supply chain lead time and
customer ?
 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 customer demand.