Using free templates, technicians should reject a run when:
| Component | Description | |-----------|-------------| | | Time sequence (run number, date, or batch ID) | | Y-axis | Control result value (concentration, activity, etc.) | | Central line | Mean (target value) of the control material | | Warning limits | ±2 SD (often dashed lines) | | Action limits | ±3 SD (solid lines) | | Data points | Individual control results connected by lines | | Violation markers | Colors or annotations for Westgard rule failures | levey jennings chart template free
Creating a Levey Jennings chart from scratch requires advanced Excel skills and statistical calculations. Using a offers several advantages: Using free templates, technicians should reject a run
Originally developed by S. Levey and E.R. Jennings in the 1950s for use in clinical laboratories, the chart allows analysts to instantly see if a measurement is drifting out of acceptable range or if a "shift" in the process has occurred. Jennings in the 1950s for use in clinical