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The sample size is in the article: > Nearly 13,500 drivers were randomly sent one of two policy review forms to sign… The distribution referenced is of mileag
by peterthehacker 5y ago
The sample size is in the article:
> Nearly 13,500 drivers were randomly sent one of two policy review forms to sign…
The distribution referenced is of mileage, which you’d expect to have some kind of right-skewed, continuous distribution.
- wjnc 5y agoLook I’m not defending Ariely, just saying that random sampling can be more complex than each record exactly the same sampling chance. And if the population has a few overpopulated groups but you’d like results for all groups, you don’t throw extra samples at it but use smarter sampling.