Table 6.
The normality test.
| Indicator | t − 1 | t − 2 | t − 3 | |||
|---|---|---|---|---|---|---|
| Z | P | Z | P | Z | P | |
| X1 | 0.153 | 0.001 | 0.163 | 0.001 | 0.173 | 0.001 |
| X2 | 0.243 | 0.001 | 0.305 | 0.001 | 0.253 | 0.001 |
| X3 | 0.136 | 0.015 | 0.130 | 0.007 | 0.097 | 0.001 |
| X4 | 0.322 | 0.001 | 0.301 | 0.001 | 0.243 | 0.001 |
| X5 | 0.088 | 0.201 | 0.292 | 0.001 | 0.436 | 0.001 |
| X6 | 0.402 | 0.001 | 0.456 | 0.001 | 0.165 | 0.001 |
| X7 | 0.166 | 0.001 | 0.118 | 0.027 | 0.167 | 0.001 |
| X8 | 0.415 | 0.001 | 0.414 | 0.001 | 0.371 | 0.001 |
| X9 | 0.292 | 0.001 | 0.531 | 0.001 | 0.441 | 0.001 |
| X10 | 0.173 | 0.001 | 0.136 | 0.004 | 0.178 | 0.003 |
| X11 | 0.135 | 0.005 | 0.176 | 0.001 | 0.161 | 0.001 |
| X12 | 0.179 | 0.001 | 0.187 | 0.001 | 0.179 | 0.001 |
| X13 | 0.149 | 0.001 | 197.000 | 0.001 | 0.204 | 0.001 |
| X14 | 0.065 | 0.202 | 0.076 | 0.202 | 0.076 | 0.202 |