TABLE 14-4 A Factory Supervisor Is Concerned That the Time It Takes

question 20

Short Answer

TABLE 14-4
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 14-4, what is the value of d₂ factor?

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Definitions:

Market Valuation

A financial assessment of the current worth of an asset or company based on market prices.

Periodic Inventory

A method of inventory valuation where inventory is physically counted at specific intervals, typically the end of a fiscal year, to determine the cost of goods sold.

Allowance Method

An accounting technique used to account for bad debts, where estimated uncollectible accounts are matched against revenues in the same accounting period.

Lower of Cost

An accounting principle that values inventory at the lesser of its historical cost or the current market price to prevent overstating the value of assets.