Skip to main content

Table 9 Paired samples test for dry and wet seasons

From: Assessment of spatio-temporal variations of selected water quality parameters of Lake Ziway, Ethiopia using multivariate techniques

Paired samples test Paired differences Sig. (2-tailed)
Mean Std. deviation Std. error mean
Pair 1 TP in dry—TP in Wet − 0.20 0.15 0.05 0.00
Pair 2 PO4-P in dry—PO4-P in wet − 0.01 0.02 0.01 0.27
Pair 3 NH3-N in Dry—NH3-N wet 0.11 0.05 0.02 0.00
Pair 4 NO2-N in Dry—NO2-N in wet − 0.171 0.502 0.17 0.34
Pair 5 NO3-N in Dry—NO3-N in wet 0.48 1.68 0.56 0.42
Pair 6 TIN in dry—TIN in wet 0.41 2.14 0.71 0.58
Pair 7 TN in dry—TN in wet 0.57 2.79 0.93 0.56
Pair 8 SiO2-Si in dry—SiO2- Si in wet 16.88 15.68 5.23 0.01
Pair 9 Temp in dry—Temp in wet 1.68 1.22 0.416 0.00
Pair 10 DO in dry—DO in wet 0.58 0.60 0.20 0.02
Pair 11 PH in dry—DO in wet 2.97 0.97 0.32 0.00
Pair 12 EC in dry—EC in wet 109.04 112.82 37.61 0.02
Pair 13 TDS in dry—TDS in wet 73.10 71.67 23.89 0.02
Pair 14 SD in dry—SD in wet 7.73 2.11 0.70 0.00
Pair 15 TA in dry—TA in wet 93.65 85.24 28.41 0.01