SCENARIO 19-4 A Factory Supervisor Is Concerned That the Time It Takes

question 43

Multiple Choice

SCENARIO 19-4
A factory supervisor is concerned that the time it takes workers to complete an important production task (measured in seconds) is too erratic and adversely affects expected profits.The supervisor proceeds by randomly sampling 5 individuals per hour for a period of 10 hours.The sample mean and range for each hour are listed below.
She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds,respectively.
-Referring to Scenario 19-4,suppose the supervisor constructs an R chart to see if the variability in collection times is in-control.This R chart is characterized by which of the following?

• A)Decreasing trend
• B)Increasing trend
• C)In-control
• D)Individual outliers

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Definitions:

Corporate Tax Rate

The corporate tax rate is the percentage of a corporation's taxable income that it must pay to the government as taxes.

Debt

A sum of money lent by one party to another, which has to be repaid at a future date, typically with added interest.

Debt Ratio

A ratio that evaluates how much a business relies on debt financing, calculated through the division of the company's total liabilities by its total assets.

Interest Rate

The amount charged by lenders to borrowers for the use of assets, expressed as a percentage of the principal.