The asset turnover ratio (ATR) is the ratio of a company's revenues to the value of its assets (indicating its efficiency in deploying its assets). We should not use the standard deviation to compare ATR variation among industrial sectors because firms with large asset bases (e.g., utilities, financial) typically have lower mean ATR than, say, retail firms. Mean St Dev Retail 2.8580 0.5200 Retail Utilities Financial Click here for the Excel Data File (a) Use the sample data to calculate the coefficient of variation for each sector. (Round your answers to 2 decimal places.) Coefficient of variation Utilities 0.0416 0.0091 % % % Financial 0.0723 0.0383

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