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Table 4

Maximum, minimum, and the average values of UV radiation in two experiments and results of paired t-test comparison of rolling averages for two SODIS experiments

UV radiation (W/m2)
Paired t-test comparison of rolling averages of UV radiation
Experiment dateMaximumMinimumAverageComparison of rolling averages betweenNormality/equal varianceSignificant difference (P-value < 0.001)
20 April 2017 733 507 656 2017 vs 2019 Passed/passed Yes 
26 June 2019 962 703 848 
UV radiation (W/m2)
Paired t-test comparison of rolling averages of UV radiation
Experiment dateMaximumMinimumAverageComparison of rolling averages betweenNormality/equal varianceSignificant difference (P-value < 0.001)
20 April 2017 733 507 656 2017 vs 2019 Passed/passed Yes 
26 June 2019 962 703 848 
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