Part NumberIssueDatePage61599388801301/2018211 / 249211 (249) 01/201821.2 Statistical Computation21.2.1 Real time statistics on the Delta displayMean value (average):nXXnii 1Standard deviation: 21211 nnniiMinimum value (Min):)min(min iX ,ni 1Maximum value (Max):)max(max iX ,ni 1Cm, Cmk, Cpk, CAM: Refer to the next paragraphs.21.2.2 CNOMO standard E41.32.110NInstantaneous standard deviation: σiEstimated from the mean rangeW of the samples of 5 measurements which form the population.5i dWWhere:KWW W = range of measurements on each sample = max. value - min. valueK = number of samples of 5 measurementsKd 864.0645.1326.25 , coefficient for a 95% confidence threshold.
