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

question 163

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 CPU index?

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Definitions:

Behavioral Excesses

Actions or behaviors that are more intense, frequent, or duration than what is considered typical or healthy.

Goal Development

The process of identifying specific, measurable, achievable, relevant, and time-bound objectives for personal or organizational growth.

Helping Process

The helping process is a series of steps or stages through which a professional helper assists a client in resolving issues or improving well-being.

Independence

The state of being free from outside control or not depending on another's authority.