Filtering restaurant reviews, why measurement decides reproducibility, and splitting the bill.
More reviews means more signal, but how the sample accumulated matters more than the count. Reviews clustered into a short window right after opening, or sharing similar phrasing, deserve caution. Reviews accumulated steadily over years are closer to evidence of consistency. Reading the last six months usually predicts your visit better than the lifetime average.
The most common reason the same recipe tastes different each time is measurement. Cup and tablespoon standards differ between countries, and flour can vary by more than 20% depending on how it is packed into the cup. That is exactly why baking recipes recommend weighing in grams.
Restaurant dishes with the same name vary widely by preparation and portion. Frying and stir-frying add the oil absorbed, and sauces and dressings contribute far more than they appear to. Caffeine varies just as much by drink and size β totalling a day's intake often produces a surprising number.
Splitting by what each person ate and dividing the total evenly give noticeably different results. Once you record who paid what, the settlement can be reduced to the fewest possible transfers, which takes the awkwardness out of the arithmetic.
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