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An assumption of normality is largely used for statistical inference and theory.
Return On Investment
A performance measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit of an investment by its cost.
Sales Margin
The difference between the selling price of a product or service and its cost, expressed as a percentage of sales.
Capital Turnover
A ratio that measures the efficiency of a company's use of its capital in generating revenue.
Invested Capital
The total amount of money put into a company by its owners and creditors for use in the business operations, often used as a metric in financial analysis.
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