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

question 12

Short Answer

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, what is the value of the C_pk index?

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Definitions:

Self-Correcting Mechanism

In economics, a self-correcting mechanism refers to the natural adjustment of markets in response to imbalances, restoring them to equilibrium without outside intervention.

De Facto Dollar Standard

An international financial system in which the U.S. dollar is used as the primary reserve currency by other countries, even though it may not be officially designated.

Monetary Policy

Control of the rate of monetary growth by the Board of Governors of the Federal Reserve.

Fixed Exchange Rates

are government-set exchange rates where a currency is pegged at a certain value against another currency, basket of currencies, or another measure of value.