The statistical question that could be answered by the data is "maximum cost of toys".
The graph shown is a line graph which is a type of chart that displays data points connected by a line. It's a common way to visualize how a particular quantity changes over time or across different categories.
Line graphs makes it easy to determine statistical measures including minimum and maximum values of a category or data.
Here, the maximum cost of toys is 10 and the minimum is 5.