R-Squared

regression equation

Mining industry

0.685059

X1 = −0.00307035205859 + 0.000551816459478*Y

Manufacturing industry

0.639162

X2 = −0.0323656215786 + 0.00582613255473*Y

Construction industry

0.650493

X3 = −0.0346914634307 + 0.00627244208295*Y

Transportation and postal services industry

0.739132

X4 = −0.014478154305 + 0.00264168132964*Y

Finance industry

0.668848

X5 = −0.00842361315341 + 0.00150858561933*Y

Real estate industry

0.469206

X6 = −0.00637189194875 + 0.00113141040042*Y

Public management industry

0.834182

X7 = −0.0350374957991 + 0.00790109486624*Y

Social service industry

0.581176

X8 = −0.0487163061234 + 0.00869760931771*Y

Wholesaleand retail-accommodation and catering services industry

0.742762

X9 = −0.0174119774763 + 0.00316440422422*Y

Science and education industry

0.774283

X10 = −0.107857501278 + 0.0216359391949*Y