Quality Control Is an Important Issue at ACME Company, Which

question 79

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 (mean = 346.6) . 378, 361, 350, 375, 200, 391, 375, 368, 321
What is the variance?

• A) 342.43
• B) 3424.3
• C) 58.5
• D) 191
• E) 10,609

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Definitions:

Split-off Point

marks the stage in a production process where multiple products are generated from common inputs, necessitating allocation of costs among the products.

Avoidable Cost

A cost that can be eliminated (in whole or in part) by choosing one alternative over another in a decision. This term is synonymous with relevant cost and differential cost.

Fixed Costs

Expenses that do not change with the level of production or sales activity, such as rent or salaries.

Contribution Margin

This is the amount remaining from sales revenue after all variable expenses have been deducted.