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In the empirical sciences, the so-called three-sigma rule of thumb (or 3 σ rule) expresses a conventional heuristic that nearly all values are taken to lie within three standard deviations of the mean, and thus it is empirically useful to treat 99.7% probability as near certainty.
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Most analytical instruments produce a signal even when a blank (matrix without analyte) is analyzed.This signal is referred to as the noise level. The instrument detection limit (IDL) is the analyte concentration that is required to produce a signal greater than three times the standard deviation of the noise level.
The Hyundai Sigma engine is a series of V6 piston engines from Hyundai Motor Company, ... (both also called the 3.5 D ) are the large 3,497 cc (3.5 L; 213.4 cu in ...
Three-component SSIM (3-SSIM) is a form of SSIM that takes into account the fact that the human eye can see differences more precisely on textured or edge regions than on smooth regions. [9] The resulting metric is calculated as a weighted average of SSIM for three categories of regions: edges, textures, and smooth regions.
Cocoa Powder Quantity: Red velvet cake recipes typically call for 2-3 tablespoons of cocoa powder, while a typical chocolate cake will call for ¾ cup to 1 cup of cocoa powder.
Maple Leafs hand Buffalo 12th straight loss, 6-3. Weather. Weather. Associated Press. Indonesians mark 2 decades since the tragic tsunami that killed hundreds of thousands. Weather. NBC Universal.
Let's say you invest $10,000 into an account that pays 3% in simple interest. After three years, you’d have earned $900 in interest — $300 each year — for a total of $10,900 in your account.