标准化回归方程
回归系数检验
第一步
y = −0.94x
SE = 0.39, t = −2.408**
第二步
m = 0.007x
SE = 0.012, t = 0.551
第三步
y = −1.882m − 0.933x
SE = 0.668, t = −2.816***
SE = 0.39, t = −2.391**