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Data were collected for a sample of companies regarding their investment in quality improvement efforts and cost savings realized as a result (both measured as a percentage of sales revenue). Below is the scatterplot. The correlation coefficient for these data is r = 0.913. If data were collected for individual departments within companies rather than at the company level, would you expect the correlation to be weaker, stronger or about the same? Explain.
Ending Merchandise Inventory
The final stock value of goods being sold by a retail or wholesale company at the close of an accounting period.
Purchase Allowances
Reductions in the price paid by a buyer to a seller, due to minor defects or quality issues with the goods provided.
Price Reduction
A decrease in the selling price of products or services, often to drive sales or clear inventory.
Prompt Payment
A financial discipline that involves settling debts quickly, often rewarded by suppliers with discounts.
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