第4题
表12-10 | |||||||||||||
x1 | 26.7 | 31.3 | 30.4 | 33.9 | 34.6 | 33.8 | 30.4 | 27.0 | 33.3 | 30.4 | 31.5 | 33.1 | 34.0 |
x2 | 73.4 | 50.0 | 65.9 | 58.2 | 64.6 | 64.6 | 62.1 | 71.4 | 64.5 | 64.1 | 61.1 | 56.0 | 59.8 |
y | 504.0 | 479.5 | 525.5 | 511.0 | 548.5 | 551.5 | 496.0 | 472.5 | 537.0 | 514.5 | 502.0 | 497.5 | 522.5 |
试分析:
第5题
表12-10 | |||||||||||||
x1 | 26.7 | 31.3 | 30.4 | 33.9 | 34.6 | 33.8 | 30.4 | 27.0 | 33.3 | 30.4 | 31.5 | 33.1 | 34.0 |
x2 | 73.4 | 50.0 | 65.9 | 58.2 | 64.6 | 64.6 | 62.1 | 71.4 | 64.5 | 64.1 | 61.1 | 56.0 | 59.8 |
y | 504.0 | 479.5 | 525.5 | 511.0 | 548.5 | 551.5 | 496.0 | 472.5 | 537.0 | 514.5 | 502.0 | 497.5 | 522.5 |
可得r12=-0.7174,r1y=0.6294,r2y=0.0135。试求:
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