UNIT 2

Determine the precision (repeatability) of the micropipette at each volume setting by calculating the standard deviation (SD) or coefficient of variation (CV) as follows: SD = (Σ (Xi – Xm)/ n-1)1/2 where Xi is each volume measurement, Xm is the mean volume measurement, and. n is the number of measurements (10) CV = SD x 100%. Xm ................
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