For a 3-Sigma X-Bar Chart Where the Process Standard Deviation

question 43

Multiple Choice

For a 3-sigma x-bar chart where the process standard deviation is known,the upper control limit:

• A)is 3σ below the mean of sample means for a 3σ control chart.
• B)is 3σ above the mean of sample means for a 3σ control chart.
• C)is 3σ/ below the mean of sample means for a 3σ control chart.
• D)is 3σ/ above the mean of sample means for a 3σ control chart.
• E)cannot be calculated unless the average range is known.

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Definitions:

Reduction In Operating Assets

A decrease in the value or amount of assets used for generating revenue.

Return On Investment

A performance measure used to evaluate the efficiency or profitability of an investment relative to its cost.

Average Operating Assets

The average value of the assets used in day-to-day operations over a certain period, important for determining return on investment and operational efficiency.

Operating Expenses

Costs related to the normal operations of a business, excluding costs of goods sold, such as sales and marketing expenses.