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STATS P 6 - The marketing manager of a pizza chain




Question;P 6 The marketing manager of a pizza chain is in the process of examining some of the demographic characteristics of her customers. In particular, she would like to investigate the belief that the ages of the customers of pizza parlours, hamburger huts, and fast-food chicken restaurants are different. As an experiment, the ages of eight customers randomly selected of each of the restaurants are recorded and listed below. Assume that we know from previous analyses that the ages are normally distributed with the same variances. Assume a significance level of 5% and test if there are differences in ages among the customers of the three restaurants.PIZZAHAMBURGERCHICKEN232625192028251836173523363339252527281938311731


Paper#61868 | Written in 18-Jul-2015

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