nag_2_sample_t_test (g07cac) Example Program Results
Assuming population variances are equal.
t test statistic = 1.8403
Degrees of freedom = 10.0
Significance level = 0.0955
Lower confidence limit for difference in means = -0.8429
Upper confidence limit for difference in means = 8.8429
No assumptions about population variances.
t test statistic = 2.5922
Degrees of freedom = 7.9925
Significance level = 0.0320
Lower confidence limit for difference in means = 0.4410
Upper confidence limit for difference in means = 7.5590