Table 2.

The diameters of the inhibition zones for E. coli and S. aureus strains.

Samples	Z1		Z2	ZA1		ZA2
ZI (mm)/E. coli	8		7	14		12
ZI(mm)/S.aureus	6		6	14		10
Sum	14		13	28		22
Average	7		6.5	14		11
Variance	2		0.5	0		2
Source of Variation	SS	df	MS	F	p-Value	F crit
Between Groups	75.375	3	25.125	22.3333	0.0058	6.5913
Within Groups	4.5	4	1.125
Total	79.875	7