Table 16: The tests of normality (for all the Rf values) since the data is more than 30 (large sample) using Kolmogorov-smimov test the sig. value is 0.000 it is less than the probe value = 0.05. So it is non-parametric data.
Tests of Normality |
||||||
|
Kolmogorov-Smirnova |
Shapiro-Wilk |
||||
Statistic |
Df |
Sig. |
Statistic |
df |
Sig. |
|
Data |
0.263 |
187 |
0.000 |
0.726 |
187 |
0.000 |
a. Lilliefors Significance Correction |