A Random Sample of 25 Observations Is Selected from a Normally

question 179

Multiple Choice

A random sample of 25 observations is selected from a normally distributed population. The sample variance is 10. In the 95% confidence interval for the population variance, the upper limit will be:

• A) 17.110
• B) 6.097
• C) 17.331
• D) 19.353
• E) 11.842

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Definitions:

Inventory Turnover

A ratio showing how many times a company has sold and replaced inventory over a period.

Allowance For Doubtful Accounts

A contra-asset account that reduces the total receivables on the balance sheet by the amount expected not to be collected.

ROCE

Return on Capital Employed; a financial ratio that measures a company's profitability and the efficiency with which its capital is employed.

Operating Profit Margin

A profitability ratio calculated by dividing operating profit by total revenue, reflecting the percentage of revenue that is left over after paying for variable costs of production.