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)
When analyzing year-over-year revenue growth in a GMAT data set, which visualization would be most effective for identifying seasonal patterns? (difficulty: easy)
A new product's first-month data shows a 40% trial rate, 15% conversion rate, and 8% churn rate. What can be concluded about the product's market fit from these metrics? (difficulty: medium)
In regression analysis, when examining the relationship between advertising spend and sales revenue, what does a p-value of 0.002 for the coefficient indicate? (difficulty: medium)