Question

A line of men’s shirts was offered in a chain of retail stores at three prices: $32, $35, and $40. Weekly sales were monitored, producing totals at 30 stores in the chain (10 at each price). Which produces a higher R2: a linear regression of sales on price or an analysis of variance of sales grouped by price (treating price as categorical)?


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  • CreatedJuly 14, 2015
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