“Only a master of evil formulas, Darth!”
”…hmm, which kinda DOES make you the master doesn’t it? Crap, I give up, just
chop me in half and get it over with, but make sure Luke sees you do it ok?”
Anakin’s Second Line of Questioning
Two weeks ago I posted about a particular student’s knack for making me learn new stuff, specifically the “bubble up ranks” method. (Ooh, I forgot to circle back and cover the “bubble up exceptions” part – making a note of that now).
Anyway, he also pressed me to teach STDDEVX(). That’s a first. “No worries,” I said, “it’s just another X function – but only you will know if the numbers are correct, because I don’t know what Standard Deviation truly means.”
Embarrassing isn’t it? To be a numbers guy and not know what Standard Deviation means? I was on the varsity calculus team in high school. I even have a Math major (to go along with my Computer Science and Philosophy majors – jack of all trades, master of none). How did I slip through the cracks on Standard Deviation?
OK yeah, it measures deviation, variability. I get that from the name. And yeah I even “learned” it in Statistics class in college, to the extent I ever showed up at 8 am. But I didn’t grok it. Didn’t breathe it in deeply. Until now.