No Time (ms) Whistle Sound Before Eating Pool Show
    Whistle1 Whistle2 Whistle3 Whistle4
1 100 With 200 * - - -
2 200 With 300 - - * -
3 300 With 400 * * - -
4 400 With 500 - - * *
5 500 With 600 - - * -
6 600 With 700 * * - *
Table 1: F Test before eating pool show) no significant effect (Thank H0) (Fhit < Ftabel)*) Significant (Reject H0) (Fhit > Ftabel).