A retail data analysis shows that shelf space allocated to Product X generates $100 per square foot, while Product Y generates $80 per square foot. If 100 square feet must be allocated between these products, what is the opportunity cost per square foot of allocating space to Product Y? (difficulty: medium)
When analyzing year-over-year revenue growth in a GMAT data set, which visualization would be most effective for identifying seasonal patterns? (difficulty: easy)
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)
When analyzing a database containing multi-valued attributes in customer contact information, which normalization form specifically addresses this issue? (difficulty: medium)
When analyzing KPIs for a retail business, what would a consistently increasing Cost of Customer Acquisition (CAC) coupled with decreasing Customer Lifetime Value (CLV) most likely indicate? (difficulty: hard)