效应

Coef.

Std. Err

t

P > ǀzǀ

[95% Conf. Interval]

a

0.364713

0.030562

7.5

0.000

0.306152

0.415654

b

0.530958

0.013728

14.7

0.000

0.491739

0.589172

c'

0.680145

0.040732

20.4

0.000

0.620816

0.712891

c

0.873641

0.037414

35.3

0.000

0.7423432

0.900152