Table 7. Helicopter transition evaluation results evaluation
t
-test by gender
Group
Obs
Mean
Sth. Dev.
95% Conf. Interval
Female
5
89.928
1.3080
88.303
91.552
Male
64
88.6582
2.3421
88.073
89.243
Diff
1.269
-1.063
3.3955
0.8560
diff = mean(0) - mean(1)
Ho: diff = 0
t
= 1.1922
degrees of freedom = 67
Ha: diff < 0
Pr(T<
t
) = 0.1187
*
Ha: diff != 0
Pr(|T|>|t|) = 0.2374
Ha: diff > 0
Pr(T>
t
) = 0.8813
p
<.05