5.6 - Fundamental Concepts of TQM (Measurement of Variability)

Question 1

Measurement of Variability

Answer 1

✓ Measure of variability normally occurs when a control is tested repeatedly. Includes computation of COV and SD.
✓ Variability is affected by different factors which include operator’s technique, environmental condition and performance characteristics of assay method.
✓ The goal is to differentiate between variability due to chance from that due to error.