3- Measures of central tendency

Course Lessons

1. 1- 0- Six Sigma analysis
2. 2- 1- Initial data for the calculations of 6 sigma
3. 3- 2- Needed factors from tables
4. 4- 3- Measures of central tendency
5. 5- 4- Measures of dispersion
6. 6- 5- Histogram & Normal Distribution Curve
7. 7- Histogram كيفية رسم المدرج التكراري بشكل احترافي باستخدام اكسل
8. 8- Normal distribution curve كيفية رسم منحنى التوزيع الطبيعي بشكل احترافي
9. 9- Histogram & Normal Distribution in one chart رسم المدرج التكراري ومنحنى التوزيع الطبيعي بلوحة واحدة
10. 10- 6- Tests of Normality
11. 11- Skewness number فحص التماثل حول المتوسط الحسابي
12. 12- Kurtosis number فحص التفلطح للبيانات
13. 13- Anderson–Darling test فحص أندرسون دارلنج
14. 14- Probability plot using Excel مخطط الاحتمالية التراكمية للقياسات
15. 15- 7- Process Capability
16. 16- 8- Process Performance
17. 17- 9.3- Z-score for the LSL & USL in the Long Term (LT)
18. 18- 9.2- Z score for the LSL & USL in the Short Term (ST)
19. 19- 9.1- Z-score for the Target value
20. 20- 9- Z-score for the average, USL, LSL
21. 21- 10- Defects & Defective Parts Per Million and corresponding Z-score
22. 22- 10.1- Defects Per Unit (DPU)
23. 23- 10.2- Defects Per Million Opportunities (DPMO)
24. 24- 10.3- Rolled Throughput Yield (RTY)
25. 25- 10.4.1- Actual Defective Parts Per Million (PPM)
26. 26- 10.4.2- Short Time - Defective Parts Per Million (PPM - ST)
27. 27- 10.4.3- Long Time - Defective Parts Per Million (PPM - LT)
28. 28- 10.4- Defective Parts Per Million (PPM)
29. 29- 11- Sigma Level
30. 30- 12- Relationship between Z score, Sigma Level, Level of Confidence & Defected PPM