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Implementing changes in displays of goods and order

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Question: Average total daily sales at a small food store are known to be $452.80. The store's management recently implemented some changes in displays of goods, order within aisles, and other changes, and it now wants to know whether average sales volume has changed. A random sample of 12 days shows x¯ = $501.90 and s = $65.00. Using α = 0.05, is the sampling result significant? Explain.

Reference no: EM131694430

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