12-Interpreting%20Chart%20Patterns-class

12-Interpreting%20Chart%20Patterns-class - Section 12 -...

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Section 12 - Interpreting Chart Patterns UGA FDST 4090/6090 - (c) W.C. Hurst 2010 1 Interpreting Chart Patterns William C. Hurst FDST 4090/6090 (2010) Types of Patterns 1. Freaks 2. Early Warning 5. Cycles 6. Instability FDST 4090/6090 © W.C. Hurst 2010 3. Shifts 4. Runs and Trends 7. Stratification Freak CAUSES • x-R Chart – FDST 4090/6090 © W.C. Hurst 2010 • One or more points fall outside control limits • p Chart – Early Warning: Test 1 CAUSES • x-R Chart – FDST 4090/6090 © W.C. Hurst 2010 • Two of three consecutive points fall in Zone A or beyond on the same side of the centerline • p Chart – Early Warning: Test 2 CAUSES • x-R Chart – FDST 4090/6090 © W.C. Hurst 2010 • Four out of five consecutive points fall in Zone B or beyond on the same side of the centerline • p Chart – Shift CAUSES • x-R Chart – FDST 4090/6090 © W.C. Hurst 2010 • Seven or more consecutive points fall on same side of centerline • p Chart –
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This note was uploaded on 09/10/2011 for the course FDST 4090 taught by Professor Hurst during the Fall '10 term at University of Georgia Athens.

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12-Interpreting%20Chart%20Patterns-class - Section 12 -...

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