Concentration and risk assessment of Cryptosporidium infection associated with exposure to the Njoro River, Njoro Sub-County, Nakuru, Kenya

The Journal of Basic and Applied Zoology

Table 5 Table showing independent sample t-test for comparison of mean concentration of oocysts in Njoro River during dry and wet seasons

	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
	F	Sig	t	Df	Sig(2-tailed	Mean difference	Std. error difference	Lower	Upper
Season
Equal variances assumed	9.47	.004	− 6.101	34	.000	− .1042	.181	− .472	− .7364
Equal variances assumed			− 7.774	33.5	.000	− .1042	.142	− .393	− .8153