Ethan's weight is in the 70th percentile for someone of his age and height. What does that mean?

Question 3 options:

In a group of 100 boys who were all the same age and height as Ethan, Ethan weighs MORE than 70 of them.

or

In a group of 100 boys who were all the same age and height as Ethan, Ethan was LESS than 70 of them.