3.1 A sample of 870 NUST students was asked for their preferences of one of the three ice-cream flavours (chocolate, vanilla and strawberry). The results are summarised in the contingency table below: Gender Flavour Chocolate Vanilla Strawberry Men 100 120 60 Women 300 200 90 At 5% level of significance, is there evidence to conclude that gender influences ice- cream flavour preference? [12]