Guesstimator

Welcome to ONA14 in Chicago! We made a little game to see how well you know the Windy City Second City City of the Big Shoulders City of Big Data and to check how good you are at estimating.

The rules:

• Your goal is to guess a range that will contain the correct answer 90 percent of the time.
• Don't cheat and check the answers on the Internet!
• You have five minutes ... GO!

Guesstimate