Question: Advertisers need to know which age groups are likely to

Advertisers need to know which age groups are likely to see their ads. Purchasers of 120 copies of Cosmopolitan are shown by age group.
(a) Make a bar chart and describe it.
(b) Calculate expected frequencies for each class.
(c) Perform the chi-square test for a uniform distribution. At α = .01, does this sample contradict the assumption that reader- ship is uniformly distributed among these six age groups? (See J. Paul Peter and Jerry C. Olson, Consumer Behavior and Marketing Strategy, 9th ed. [McGraw-Hill, 2004], p. 300.)

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  • CreatedAugust 19, 2015
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