Table 9. Multiple regression analysis of pilot selection elements

Number of obs = 95F(3, 91) = 23.79Prob > F = 0.0000			R-squared = 0.4595Adj R-squared = 0.4210Root MSE = 1.9876
b1	Coef.	Std. Err.	t	P>|t|	95% Conf. Interval
**sq5	.0037897	.0015703	2.41	0.018	.0006706.0069088
sq6	.0054097	.0537734	0.10	0.920	-.1014046.1122239
**a1	.5604177	.0704307	7.96	0.000	.4205158.7003196
_cons	42.47007	7.954023	5.34	0.000	26.6703858.26976

p<.05.