Hand and Foot Modifier FA -F9 and T1 - T9. E1 - E4, FA - F9, TA - T9 Level II Modifier. E1-E4 Anatomic modifiers which are associated with the eyelid. FA, F1- F9 Anatomic modifiers which are associated with the fingers. TA, T1- T9 Anatomic modifiers which are associated with the toes.
X-bar and R Control Chart Issues and Resolution. X-bar and R control charts are used in quality control to identify when special cause or out-of-control conditions occur in time-series data so that timely corrective actions can be taken to resolve problems.
Line charts are used to display trends over time. Use a line chart if you have text labels, dates or a few numeric labels on the horizontal axis. Use a scatter chart (XY chart) to show scientific XY data.