On Sample Sizes

Kevin Drum observes that even an 11-year-old kid seems to understand the problem of having too small a sample size in a poll. The Sunday paper here printed a supplement giving property auction clearance rates by suburb. Except, of course, for those suburbs where there had been less than 20 auctions, where it printed "nsr" (not statistically reliable). An 11-year-old gets it, the Sunday paper gets it, why doesn't Lott?

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