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

question 32

Multiple Choice

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-tail 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. What would be the p-value of this one-tail test?

• A) 0.040
• B) 0.160
• C) 0.840
• D) 0.960

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Definitions:

Accounts Receivable

Money owed to a company by its customers for goods or services that have been delivered or used but not yet paid for, represented as an asset on the company's balance sheet.

Return on Equity

A financial ratio indicating the profitability of a company relative to shareholders' equity, showing how much profit is generated with the money shareholders have invested.

Du Pont Identity

This financial analysis formula breaks down the return on equity into three parts: operating efficiency, asset use efficiency, and financial leverage.

Total Equity

The value of the owners' interest in a company, calculated as the company's total assets minus its total liabilities.