Table 4 Descriptive statistics for the process capability sixpack of the proposed and USP methods
Parameters | CFZ | PYD | ||
|---|---|---|---|---|
Descriptive statistic | USP method | Proposed method | USP method | Proposed method |
Minimum | 97.5 | 98.0 | 0.18 | 0.19 |
Maximum | 100.9 | 100 | 0.28 | 0.26 |
Mean | 99.03 | 99.04 | 0.24 | 0.23 |
Limit | 90–105% | NMT 0.4% | ||
Sum | 9889.9 | 9904.3 | 23.37 | 23.23 |
Count | 100 | 100 | 100 | 100 |
Standard Error | 0.075 | 0.058 | 0.002 | 0.002 |
Median | 98.95 | 99 | 0.23 | 0.23 |
Mode | 98.99 | 99 | 0.23 | 0.23 |
Standard Deviation | 0.75 | 0.58 | 0.02 | 0.02 |
Variance | 0.56 | 0.34 | 0.0003 | 0.0003 |
Kurtosis | − 0.61 | − 0.5 | − 0.28 | − 0.11 |
Skewness | 0.38 | 0.27 | − 0.08 | − 0.12 |
Range | 3.4 | 2 | 0.10 | 0.07 |