Table 2 Confidence Intervals for regression coefficient from bivariate Normality goodness-of-fit for window size L. * 93% Confidence Interval

7

(1.077, 1.112)

(1.072, 1.176)

8

(1.051, 1.084)

(1.046, 1.089)

9

(1.067, 1.091)

(1.061, 1.095)

10

(1.091, 1.171)

(1.078, 1.184)

11

(1.078, 1.134)

(1.068, 1.149)

12

(1.046, 1.075)

(1.042, 1.080)

13

(1.054, 1.110)

(1.047, 1.167)

14

(1.055, 1.124)

(1.044, 1.135)

15

(1.050, 1.087)

(1.044, 1.093)

16

(1.036, 1.045)

(1.030, 1.051)

17

(0.976, 1.001)

(0.977, 0.999)*

18

(0.959, 0.980)

(0.956, 0.983)

19

(0.957, 0.967)

(0.955, 0.968)

20

(0.950, 0.960)

(0.948, 0.962)