Sales: Packaging The makers of Country Boy Corn Flakes are thinking about changing the packaging of the cereal in the hope of improving sales. In an experiment, five stores of similar size in the same region sold Country Boy Corn Flakes in different-shaped containers for 2 weeks. Total packages sold are given in the following table. Using a 0.05 level of significance, shall we reject or fail to reject the hypothesis that the mean sales are the same, no matter which box shape is used?
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