G07CAF Example Program Results
Sample X
Sample size = 4
Mean = 0.2500E+02
Standard deviation = 0.8185E+00
Sample Y
Sample size = 8
Mean = 0.2100E+02
Standard deviation = 0.4208E+01
Assuming population variances are equal.
t test statistic = 1.8403
Degrees of freedom = 10.0
Significance level = 0.0955
Difference in means
Value = 4.0000
Lower confidence limit = -0.8429
Upper confidence limit = 8.8429
Confidence level = 0.9500
No assumptions about population variances.
t test statistic = 2.5922
Degrees of freedom = 8.0
Significance level = 0.0320
Difference in means
Value = 4.0000
Lower confidence limit = 0.4410
Upper confidence limit = 7.5590
Confidence level = 0.9500