OECD Adult education level data analysis 2 - calculate summary statistics and making histograms using R

UnsplashのS. Tsuchiyaが撮影した写真 www.crosshyou.info This post is following of the above post. In the above post, I made a data frame to work with. Let's check each variable names and it's explanations. BUPSRY: Below upper secondary, in percentageTRY: Tertiary, in percentage UPPSRY: Upper seconda…