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Use "guesstimations" in a sentence
"A recent CNN article explains well why a growing number of companies use brainteasers and logic puzzles of a type called "guesstimations" during job interviews:"
"I heard guesstimations from anywhere from 10,000 to over a million."
"Through examination of proxy data very solid, though not pefect, guesstimations have been made for the last 1000+ years."