Instruction 9-6 The Quality Control Engineer for a Furniture Manufacturer Is Interested

question 157

True/False

Instruction 9-6
The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture. She performs a two-tailed test of the null hypothesis that the mean for the stressed oak furniture is 650. The calculated value of the Z test statistic is a positive number that leads to a p-value of 0.080 for the test.
-Referring to Instruction 9-6,if the test is performed with a level of significance of 0.05,the null hypothesis would be rejected.

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Definitions:

Board Feet

A unit of measure for the volume of lumber, equivalent to a piece of wood one foot long, one foot wide, and one inch thick.

Direct Materials Quantity Variance

The difference between the expected and actual quantity of materials used in production, multiplied by the standard cost per unit of material.

Actual Costs

The real costs incurred in the production of goods or services, including all expenses such as materials, labor, and overhead.

Standard Costs

Predetermined costs for materials, labor, and overhead used to control actual operating costs and to measure cost variances.