Quality Control Is an Important Issue at ACME Company, Which

question 57

Multiple Choice

Quality control is an important issue at ACME Company, which manufactures light bulbs. To test the life-hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted: 378, 361, 350, 375, 200, 391, 375, 368, 321. What is the mean?

• A) 375
• B) 368
• C) 389.9
• D) 200
• E) 346.6

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Definitions:

Return on Investment (ROI)

A measure of the profitability of an investment, expressed as a percentage of the initial amount invested.

Division's

Relates to a separate part of a larger organization, typically responsible for a specific operation or function.

Residual Income

Income that remains after all costs of capital have been deducted from net operating income, a measure of profitability.

Division

A distinct part of a larger company that operates semi-independently, typically focusing on a particular product line or market sector.