SCENARIO 15-4
a Factory Supervisor Is Concerned That the Time

question 215

Short Answer

SCENARIO 15-4
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.
$$\begin{array} { cc c } \underline { \text { Hour } } & \underline { X } & \underline { R } \\1 & 18.4 & 25 \\2 & 16.9 & 27 \\3& 23.0 & 30 \\4 & 21.2 & 23 \\5 & 21.0 & 24 \\6 & 24.0 & 25 \\7&19.3&12\\8 & 15.8 & 14 \\9 & 20.0 & 13 \\10 & 23.0 & 11\end{array}$$ She also decides that lower and upper specification limit for the critical-to-quality variable should be
10 and 30 seconds, respectively.
-Referring to SCENARIO 15-4, what is the value of the CPL index?

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Definitions:

Company Parking Lot

A designated area where employees and visitors can park their vehicles while at a business premises.

Prejudicial Error

An error that affects the outcome of a case or legal proceeding, leading to an unfair advantage or disadvantage.

Employment Dispute

A disagreement between an employer and an employee or group of employees, often regarding working conditions, pay, or unfair dismissal.

Case or Controversy

A requirement that courts will not hear cases unless there is a real disagreement between parties that can be resolved by the court.