表6统计

log(L3.6)

n= 41

log(L4.5)

n= 31

log(Lg)

n= 37

log(Lgn)

n= 37

log(Lr)

n= 38

log(Lrn)

n= 38

log L ¯

10.5347

10.3410

10.5231

10.3447

10.5289

10.3546

σ2L

3.962e−4

1.135e−2

1.498e−1

1.052e−1

6.914e−2

4.941e−2

σL

1.990e−2

1.066e−1

3.871e−1

3.243e−1

2.629e−1

2.223e−1