Instruction 18-17A A Factory Supervisor Is Concerned That the Time It Takes

question 89

Short Answer

Instruction 18-17A
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 five 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 Instruction 18-17A,what is the value of the C_pk index?

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Definitions:

Forecast Value

The estimated or predicted value of a variable or set of variables at some point in the future.

Mean Square Error

A measure of the average of the squares of the errors—that is, the average squared difference between the estimated values and the actual value.

Sales Details

Specific information regarding the transactions, quantities, prices, and conditions under which sales activities occur.

Value of K

Often refers to a constant in various contexts, such as a specific parameter value in a mathematical formula or algorithm.