Research Article
Development and Application of New Quality Model for Software Projects
Table 5
SWFMEA validation report (RPN1 TO RPN2).
| | CCT |
| |
H0: not significant in RPN1 & RPN2 | | | | | | | | H1: significant in RPN1 & RPN2 | = 13, SQRT() = 3.60551 |
| | Mode of failure | RPN1 | () | ()² | RPN2 | () | ()² |
| | Inadequate skills/knowledge about the process | 40 | −121.538 | 14771.6 | 10 | −5.76923 | 33.28402 | | Inadequate time | 200 | 38.46154 | 1479.29 | 10 | −5.76923 | 33.28402 | | Requirement change | 800 | 638.4615 | 407633.1 | 50 | 34.23077 | 1171.746 | | Inappropriate skilled resources for DEV | 200 | 38.46154 | 1479.29 | 10 | −5.76923 | 33.28402 | | Testing & review objective is not clear | 5 | −156.538 | 24504.29 | 3 | −12.7692 | 163.0533 | | Inappropriate skilled resources for testing & review | 60 | −101.538 | 10310.06 | 1 | −14.7692 | 218.1302 | | Not reusing the existing rules | 20 | −141.538 | 20033.14 | 5 | −10.7692 | 115.9763 | | Invalid data | 80 | −81.5385 | 6648.521 | 40 | 24.23077 | 587.1302 | | Testing objective is not clear | 200 | 38.46154 | 1479.29 | 10 | −5.76923 | 33.28402 | | Inappropriate skilled resources for testing | 400 | 238.4615 | 56863.91 | 50 | 34.23077 | 1171.746 | | Inappropriate skilled resources for review | 12 | −149.538 | 22361.75 | 3 | −12.7692 | 163.0533 | | Inadequate time | 3 | −158.538 | 25134.44 | 3 | −12.7692 | 163.0533 | | Improper details about code review | 80 | −81.5385 | 6648.521 | 10 | −5.76923 | 33.28402 |
| | Total | 2100 | | 599347.2 | 205 | | 3920.31 | | Mean () | 161.5385 | | 49945.6 | 15.76923 | | 326.6925 | | Standard deviation () | 223.4851 | | | 18.07464 | | | | Variance () | 49945.6 | | | 326.6925 | | | | Standard error mean (/SQRT()) | 61.98433 | | | 5.01306 | | |
|
|
H0: there is no significant difference between RPN1 and RPN2.
H1: there is a significant difference between RPN1 and RPN2.
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