Statement:
In Mongolia, mobile Internet is on average less expensive than in Sierra Leone

In the Most expensive mobile internet rating Mongolia holds position #131 2022 out of 204 and Sierra Leone is #101 out of 204 2022.
Position of Mongolia is better than position of Sierra Leone.
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 Sierra Leone, 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.
    Mongolia 'Average price of 1GB (USD)' value is 0.67
    Sierra Leone 'Average price of 1GB (USD)' value is 1.26