From 74 of its restaurants Noodles Company managers collected
From 74 of its restaurants, Noodles & Company managers collected data on per-person sales and the percent of sales due to "potstickers" (a popular food item). Both numerical variables failed tests for normality, so they tried a chi-square test. Each variable was converted into ordinal categories (low, medium, high) using cutoff points that produced roughly equal group sizes. Research question: At α = .05, is per-person spending independent of percent of sales from potstickers?
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