y | −4 | −3 | −2 | −1 | 1 | 2 | 3 | 4 |
改进前p值 | 0.4014 | 0.3800 | 0.0641 | 0.3217 | 0.7419 | 0.7332 | 0.9242 | 0.3353 |
改进后p值 | 0.6737 | 0.2366 | 0.4410 | 0.5239 | 0.5340 | 0.9816 | 0.4642 | 0.2958 |