Figure 7
From: Estimation of apparent thermal inertia of roofing materials from aerial thermal imagery

Statistics on the albedo for each class for the two investigated areas in Bologna. Boxes are delimited by the first and third quartiles, the horizontal line and the cross inside every box are the median and the mean respectively, the whiskers extend to the minimum and maximum elements that are within 1.5 times the interquartile range, and the dots are presumed outliers.