Solar Radiation

Vs

Ozone Level

Nitric Oxide

Vs

Ozone Level

Nitrogen Dioxide

Vs

Ozone Level

PM10

Vs

Ozone Level

Anderson-Darling normality test

A = 54.466

p-value < 2.2e−16

A = 210.08

p-value < 2.2e−16

A = 76.434

p-value < 2.2e−16

A = 63.252

p-value < 2.2e−16

Shapiro-Wilk normality test

W = 0.84817

p-value < 2.2e−16

W = 0.31033

p-value < 2.2e−16

W = 0.7364

p-value < 2.2e−16

W = 0.64781

p-value < 2.2e−16

Wilcoxon rank test

W = 177795

p-value < 2.2e−16

W = 61823

p-value < 2.2e−16

W = 84314

p-value = 9.622e−11

W = 100056

p-value = 0.005453

Comments

The p-value of the Wilcoxon rank sum test above is lower than the alpha value (0.05) indicating that there is significance relationship between ozone level and Solar Radiation/Nitric Oxide/Nitrogen Dioxide/PM10.

data: Alternative hypothesis (H_A): true location shift is not equal to 0