Statement:
In Mongolia, mobile Internet is on average less expensive than in Costa Rica

In the Most expensive mobile internet rating Mongolia holds position #131 ²⁰²² out of 204 and Costa Rica is #75 out of 204 ²⁰²².
Position of Mongolia is better than position of Costa Rica.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both Mongolia and Costa Rica, compared to most countries of the World.

Referencies:

1. Most expensive mobile internet ²⁰²² by cable.co.uk

   The countries in the rating sorted by 'Average price of 1GB (USD)' in descending order.

   Costa Rica	'Average price of 1GB (USD)' value is	2.17
   Mongolia	'Average price of 1GB (USD)' value is	0.67