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14 November 2009

Comments

Kevin,

I was in CA wine country for the first time last month and was introduced to the 100 point scale. I was skeptical and this post confirms my suspicions. Thanks for debunking the math behind it.

One other thing to consider on the pricing... Maybe just simple supply and demand should rule as more of a factor than the bogus scale. I can imagine the politics going on behind the scenes between the wineries and the raters to jack up prices.

This is not news to anyone who reads Consumer Reports magazine. Typically they report the "spread" necessary for a meaningful difference. For those of us who have been involved in taste testing and panels of judges, well this wasn't news 40 years ago. This illustrates very well why statistical thinking needs to be imparted to students at least by the time high school is reached.

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