Time of Placement

T-value

P-value

0 min

With assumption of Homogeneity of variance

8.845

<0.05

Without assumption of Homogeneity of variance

8.200

<0.05

60 min

With assumption of Homogeneity of variance

8.313

<0.05

Without assumption of Homogeneity of variance

7.737

<0.05

120 min

With assumption of Homogeneity of variance

8.337

<0.05

Without assumption of Homogeneity of variance

7.758

<0.05

180 min

With assumption of Homogeneity of variance

8.072

<0.05

Without assumption of Homogeneity of variance

7.512

<0.05