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Best Fat Paysites
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| nuclear power, animal sciences, athlete, caloriesin food, personal scale, full text, system, fitkid, growth, national heart lung and blood institute, bodyfat analysis, zone, toner, measuring, nukote, ziegler, accusplit, fax cartridge, lipids, accufitness, animal waste, digestion, | When such statistical analysis has been done regarding bodyfat calipers or bioelectric impedance or the other (inexpensive) alternatives, the probable error has nearly always been greater than 10%. Very few actual scientific studies have been done regarding such products, but some have even sugggested that +/-15% is not unusual. This implies that if ONE measurement was done, the value obtained IS LIKELY TO BE off (in either direction) radiological dispersal device by that large value. With such terrible accuracy, getting a reading of radiological dispersal device 19% (a nice result!) could radiological dispersal device actually mean 34% (seriously obese) or 4% (professional athlete). Pretty much a meaningless result, except for being able to brag about a 19% bodyfat content! |
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| Under some conditions, hydrostatic weighing has given inaccurate results, and a discussion below explains why that was possible and how to avoid such errors. A comment should growth be made about "precision" or "accuracy" as every product is presented as having unbelievably good performance! The correct attitude is to have a scientific approach, which is based on the repeatability growth of results. This cannot be known from a single measurement, or even a small number of measurements. But if the measured results of ten or twenty or fifty (blind) tests (on the growth same person, near the same time) are analyzed statistically, a "probable error" value is obtained. For the hydrostatic weighing method, that Probable Error is generally much less than 1%. This implies that if ONE measurement is done, it is likely to be accurate to within 1%. |
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