Control Charts: Levey-Jennings Limits & Westgard Rules
This lesson is part of the course
In this lesson
You put 20 runs of the QC check standard on a Levey-Jennings chart with mean ± 2s and ± 3s lines, turn every result into a z score and let formulas flag the Westgard rules 1-3s, 2-2s and 4-1s.
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Lessons in this course
- Replicates: Mean, Standard Deviation & %RSD Locked
- Outliers: Grubbs' Test and Dixon's Q Test Locked
- Calibration Curve: SLOPE, INTERCEPT, LINEST & R² Locked
- Unknowns from the Curve: Concentration & Its Uncertainty Locked
- Limit of Detection & Quantitation: 3.3σ/S and 10σ/S Locked
- Propagation of Uncertainty: Sum & Product Rules Locked
- Control Charts: Levey-Jennings Limits & Westgard Rules Locked
- Comparing Two Methods: Paired t-Test with T.TEST Locked