Advances in Environmental Chemistry / 2015 / Article / Tab 7

Research Article

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

Table 7

Data for -test for independent means (disintegration time).

MCCNB

Mean32.912.21
Variance9.51293337.5920333
Observations33
Pooled variance8.5524833
Hypothesized mean difference0
df4
stat12.857
() one-tail0.0001055
critical one-tail2.1318468
() two-tail0.0002
critical two-tail2.776

-test: two-sample test assuming equal variances.

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