Table 8. Helicopter transition evaluation results evaluation t-test by academic level

Group Obs Mean Sth. Dev. 95% Conf. Interval
College 57 89.560 1.973 89.037 90.084
h-school 12 84.733 0.912 84.153 85.312
Diff 4.8275 .5848 3.6602 5.9948
diff = mean(0) - mean(1)Ho: diff = 0 t = 8.2546degrees of freedom = 67
Ha: diff < 0Pr(T<t) = 1.0000 *Ha: diff != 0Pr(|T|>|t|) = 0.0000 Ha: diff > 0Pr(T>t) = 0.000
p<.05