Table 2. T-test for type of school : public/ private Statistical significance difference was shown between 2 different types of schools public and private ones with p value < 0.05 at 95% confidence interval. School type affect knowledge of teachers, in our study public schools shows higher means of correct answers which is attributed to unequal school sizes.

		Levene’s Test for Equality of Variances		t-test for Equality of Means
		F	Sig.	T	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	95% Confidence Interval of the Difference
									Lower	Upper
Is the school public or private	Equal variances assumed	84.066	.000	3.842	246	.000	.151	.039	.073	.228
	Equal variances not assumed			4.775	191.650	.000	.151	.032	.088	.213