Random Samples of Four Items Are Selected from a Manufacturing

question 43

Multiple Choice

Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples,ΣX = 15,350 and ΣR = 411.4. To construct a mean chart,what is the LCL for the mean?

• A)602.00
• B)411.40
• C)625.67
• D)0.00

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Definitions:

Fixed Manufacturing Overhead

Costs related to manufacturing that do not vary with the level of production, such as factory rent, salaries of permanent staff, and depreciation of factory equipment.

Fixed Expenses

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.

Variable Expenses

These are costs that change in proportion to the activity of a business.

Discontinue Product

The decision to stop producing and selling a specific product due to factors like poor sales, obsolescence, or strategic realignment.