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Table 2

Paired comparisons of temperatures for two SODIS experiments

Paired t-test between temperatures ofNormality test/ equal varianceWilcoxon signed-rank testSignificant difference
Ambient-April 2017 vs Ambient-June 2019 Passed/passed N/A Yes 
0 NTU-April 2017 vs 0 NTU-June 2019 Failed/failed P = 0.052 No 
30 NTU-April 2017 vs 30 NTU-June 2019 Failed/failed P = 0.009 Yes 
Paired t-test between temperatures ofNormality test/ equal varianceWilcoxon signed-rank testSignificant difference
Ambient-April 2017 vs Ambient-June 2019 Passed/passed N/A Yes 
0 NTU-April 2017 vs 0 NTU-June 2019 Failed/failed P = 0.052 No 
30 NTU-April 2017 vs 30 NTU-June 2019 Failed/failed P = 0.009 Yes 

N/A, not applicable since the normality test passed.

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