Devoted to images that illustrate statistical ideas
Monday, February 22, 2016
Scuff and Wear
This is an doorway threshold between two rooms of a thrift store in Easton, Maryland. People step on or over scraping their feet on both sides of the edges of the raised threshold. More frequent steps and wear in the middle and fewer steps and less wear on the left and right edges all scuff away the black painted wood revealing a bell-shaped frequency distribution of wear.