While true that one can't say for sure, the link you provided gives a 95% CI that's still pretty close to 40%. I'd wager the chance of randomly picking 6 hospit

While true that one can't say for sure, the link you provided gives a 95% CI that's still pretty close to 40%. I'd wager the chance of randomly picking 6 hospitals whose obesity rate way further than 4-5 sigma away the mean would be pretty damn small.