TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 71

Multiple Choice

TABLE 17-4
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 Table 17-4, 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:

Cost Of Goods Sold

The total direct costs attributable to the production of the goods sold in a company, including materials and labor.

Physical Units

A measure of quantity in production or inventory, typically referred to when counting tangible products or items.

Finished Goods Inventory

A category of inventory that includes items that are ready for sale, having completed all stages of production.

Production Activities

Production activities refer to the processes involved in creating goods or services, including manufacturing, assembly, and quality control.