Exercise

Final challenge (2)

Whoofta! That was challenging, huh?

Let's ease up a bit and calculate the average fertility rate for each region in 2015.

Instructions

100 XP

Include the name of region, its continent, and average fertility rate aliased as avg_fert_rate.
Sort based on avg_fert_rate ascending.
Remember that you'll need to GROUP BY all fields that aren't included in the aggregate function of SELECT.