When the StatisticsCalculator Analyze attribute is set to VisitorCount instead of ParkArea, which neighborhood has the highest average park visitor count?

• A. Downtown
• B. Kitsilano
• C. Strathcona
• D. West End

Answer: (C)

The key idea is that StatisticsCalculator computes a statistic across groups based on the Analyze attribute. If you set Analyze to ParkArea, you’re averaging the sizes of parks in each neighborhood. When you switch to VisitorCount, you’re averaging how many visitors each park receives within that neighborhood. In this case, Strathcona has the highest average VisitorCount across its parks, so it stands out as having the most visitors on average. The other neighborhoods show lower averages, so they don’t reach Strathcona’s level.