Table 8. Actural Instrument flight evaluation t-test by gender

Group	Obs	Mean	Std. Dev.	95% Conf. Interval
Female	8	20.258	2.463	18.198 22.318
Male	122	16.613	6.126	15.514 17.711
Diff		-3. 6456		-7.9675 0.6762
diff = mean(0) - mean(1)  t = -1.669Ho: diff = 0  degrees of freedom =128
Ha: diff < 0Pr(T<t) = 0.0488		Ha: diff != 0Pr(|T|>|t|) = 0.0975		Ha: diff > 0Pr(T>t) = 0.9512