Free Test Prep GMAT-Data-Insights Exam Questions

When normalizing a sales database, which scenario represents a transitive dependency that violates Third Normal Form (3NF)? (difficulty: hard)

A company's sales data has a mean absolute percentage error (MAPE) of 15% using simple exponential smoothing and 8% using double exponential smoothing. What can be concluded about the nature of the data? (difficulty: hard)

When analyzing a box plot in GMAT data interpretation, if the lower quartile is 20, median is 25, and upper quartile is 40, what does this tell us about the data's distribution? (difficulty: hard)

In RFM analysis, what would be the most valuable customer segment if using a 5-point scale for each dimension (R, F, M)? (difficulty: easy)

A competitive analysis graph shows that when the intensity of rivalry in an industry increased by 25%, the average industry profitability decreased by only 5%. What does this suggest about the industry's structural characteristics? (difficulty: hard)