I was googling on the subject of the average circumference of the human head and came across this Yahoo Answers post:
Wherein the respondent says “The average circumference of the human head is about 55.9cm for men, it is 54.47cm for women. You can expect this figure to deviate to no more than 2cm.”
Does this mean something other than I straightforwardly read it to mean? (that is, 55.9 plus or minus 2, but that’s all)
Or is this one of those terminology things where it doesn’t quite mean what the man on the street might think, but a statistician can understand it fully?
(for the curious, the reason I was exploring this topic: my bulbous head is 60cm in circumference, and I have trouble finding a hat to fit)