Free Practice Test Prep GMAT-Data-Insights Exam Questions 2025

In a control chart analyzing production defects, if 8 consecutive points fall on one side of the mean line, what does this indicate in quality control terms? (difficulty: medium)

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 funnel analysis for an e-commerce website, if the conversion rate from cart to purchase is 25% and 1000 users add items to cart, how many purchases would be expected? (difficulty: easy)

A retail company improved its inventory turnover from 4 to 6 times per year while maintaining the same sales level. What does this indicate about inventory management efficiency? (difficulty: medium)

If demand for a product is unit elastic and price increases by 15%, what happens to total revenue? (difficulty: hard)