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

question 66

True/False

TABLE 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 Table 9-6, suppose the engineer had decided that the alternative hypothesis to test was that the mean was less than 650. Then if the test is performed with a level of significance of 0.10, the null hypothesis would be rejected.

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Definitions:

Net Sales Revenue

The total revenue from sales of goods or services after deducting returns, allowances, and discounts.

Gross Profit Rate

Is the ratio of gross profit to net sales, expressing the efficiency with which a company utilizes its resources to make a profit.

Cost of Goods Sold

The immediate expenses linked to the creation of products sold by a firm, encompassing materials, workforce, and indirect costs.

Periodic Inventory System

A method of inventory valuation for financial reporting purposes where a physical count of the inventory is taken at specified intervals.