Advances in Environmental Chemistry / 2015 / Article / Tab 5

Research Article

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

Table 5

Data for -test for independent means.

MCC tabletw/o binder

Mean2.170.97
Variance0.0830.023
Observations33
Pooled variance0.053
Hypothesized mean difference0
df4
stat6.364
() one-tail0.0016
critical one-tail2.132
() two-tail0.003
critical two-tail2.776

-test: two-sample test assuming equal variances.

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