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

question 87

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 CPU index?

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Definitions:

Spending Variance

The difference between the actual amount spent and the budgeted amount for a particular period or item.

Actual Level

The real, measured level of production, performance, or activity, as opposed to planned or theoretical levels.

Spending Variance

The difference between the actual amount spent and the budgeted amount for a particular category or period, indicating over or under spending.

Planning Budget

A financial plan that estimates the revenue and expenses for a specific period, often used for setting performance expectations.