Illustration 21.11. In a sample study about the coffee habits in two towns following data was observed: Town X: 50 per cent were male, 30 per cent were coffee drinkers and 18 .per cent were male...

Extracted text: Illustration 21.11. In a sample study about the coffee habits in two towns following data was observed: Town X: 50 per cent were male, 30 per cent were coffee drinkers and 18 .per cent were male coffee drinkers. Town Y: 45 per cent were male, 25 per cent were coffee drinkers and 16 per cent were male coffee drinkers. Is there any association between sex and coffee habit? If so in which town is it greater?