SCENARIO 19-4 A Factory Supervisor Is Concerned That the Time It Takes

question 32

Short Answer

SCENARIO 19-4
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 Scenario 19-4,what percentage of the time it takes workers to complete an important production task will fall inside the specification limits?

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Definitions:

Qualitative Research

A research method focusing on understanding concepts, thoughts, or experiences through methods such as interviews or observations, rather than through numerical data.

Significant Relationship

A connection between two entities that considerably impacts or influences them.

Double Standard

The application of different sets of principles for similar situations, or to different people, in a way that is unfair or unethical.

Deductive Logic

A system of reasoning that moves from theory to the formulation of hypotheses for testing.