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Molecular formula : MW : CAS :
nature : the same was measured for n measurement, characterization measurements of the amount of dispersion s? - Calculated : where : xi for the first time i measurements; x of n measurements arithmetic average. Arithmetic mean x experimental standard deviation s (x). Experimental standard deviation to the square known as the side (variance), or sample variance, the overall standard deviation of σ 2 estimated value. Experimental standard deviation s is the standard deviation of σ overall estimated value. The number n is, the more reliable. Only one was for the measurement of the experimental standard deviation of freedom (degrees of freedom) to n-1.
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