Table 2.

ANOVA test result on mean bacterial load difference among public primary schools of Gondar city, Northwest Ethiopia 2018

Analysis of Variance
Source variation	Sum of Square	Degree of freedom	Mean Square	F	Sig.
Between groups	189,395,110	7	27,056,444.3	7.67	<  0.001
Within groups	151,708,969	43	3,528,115.56
Total	341,104,079	50	6,822,081.58