Normality test
| Tests of normality | ||||||
|---|---|---|---|---|---|---|
| Project type | Kolmogorov–Smirnova | Shapiro–Wilk | ||||
| Statistic | df | Sig. | Statistic | df | Sig. | |
| Building | 0.296 | 59 | 0.000 | 0.560 | 59 | 0.000 |
| Electric | 0.282 | 12 | 0.009 | 0.829 | 12 | 0.020 |
| Mechanic | 0.227 | 24 | 0.002 | 0.782 | 24 | 0.000 |
| Tests of normality | ||||||
|---|---|---|---|---|---|---|
| Project type | Kolmogorov–Smirnova | Shapiro–Wilk | ||||
| Statistic | df | Sig. | Statistic | df | Sig. | |
| Building | 0.296 | 59 | 0.000 | 0.560 | 59 | 0.000 |
| Electric | 0.282 | 12 | 0.009 | 0.829 | 12 | 0.020 |
| Mechanic | 0.227 | 24 | 0.002 | 0.782 | 24 | 0.000 |
Note(s): a. Lilliefors significance correction
Source(s): Authors’ own work
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