Question

QUESTION 6 The do-it-yourself (DIY) consumer movement has had a profound impact on the retailing business. A recent study conducted by the centre for consumer research examined various trails of persons classified as "do-it-yourselves" and "non-do-it-yourselves". One factor considered was a person's age. Because younger people are generally healthier but less efficient, it is reasonable to expect do-it-yourselves to be younger. The age (in years) of the people in the two groups from the study are summarised as follows: Sample mean 41.8 Standard deviation 15.9 DIY consumers Non-DIY consumers 47.4 16.2 34 Sample size 29

Answer 1

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