OECD years in education. According to the OECD 2020 data file, the longer a person has been educated, the higher is their well-being. The following histogram shows the distribution of years in education for Russia, Brazil, and 37 OECD member countries.

a) Write a short description of this distribution (shape, center, spread, and unusual features).

b) Which two bins hold the most values for years in education?

c) If in most countries, both primary and high school education require around six years each for completion, how many years of higher education can the citizens of the OECD member countries expect to go through?