Question: A market research firm is testing consumer reaction to a

A market research firm is testing consumer reaction to a new shampoo on four age groups in four regions. There are five consumers in each test panel. Each consumer completes a 10-question product satisfaction instrument with a 5-point scale (5 is the highest rating) and the average score is recorded. Are the main effects significant? Is there an interaction?

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  • CreatedAugust 19, 2015
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