Utilization of Cellulose from Luffa cylindrica Fiber as Binder in Acetaminophen Tablets

Table 5

Data for -test for independent means.

	MCC tablet	w/o binder
Mean	2.17	0.97
Variance	0.083	0.023
Observations	3	3
Pooled variance	0.053
Hypothesized mean difference	0
df	4
stat	6.364
() one-tail	0.0016
critical one-tail	2.132
() two-tail	0.003
critical two-tail	2.776

-test: two-sample test assuming equal variances.