And that's it! 538's average of Trump's approval rating will update regularly as new polls are released. If you spot a poll that we haven't entered after a business day, or have other questions about ...

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add up the three means and divide by three. But what if I want the average ...

How to avoid it and a simple definition of the gambler’s fallacy. Because what is the gambler’s fallacy, really?

Background The Prognostic Nutritional Index (PNI), calculated from serum albumin levels and lymphocyte counts, is a simple ...

Linear normalization, which is most common, involves shifting the number axis so the data is balanced around zero, and then ...

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Aims Clopidogrel is the most commonly prescribed thienopyridine as part of dual anti-platelet therapy for the treatment of ...

This is done per round, according to specific mathematical formulas, the type of game being ... Learn About the Game’s Variance Learn About the Game’s Variance Variance describes the frequency ...

It is calculated as the square root of the variance. For example, the sample standard deviation of the test scores {85, 90, 92, 88, 95} can be calculated using the formula. Sample Variance and ...