TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 12

Short Answer

TABLE 17-4
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 Table 17-4, what is the value of the C_pk index?

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Definitions:

Likert Scale

A range of numbers that correspond to how much someone agrees or disagrees with an item.

Positive Correlation

A relationship between two variables where an increase in one variable is associated with an increase in the other.

Negative Correlation

Negative Correlation refers to a relationship between two variables where one variable increases as the other decreases, and vice versa.

Null Relationship

indicates a situation where no association is found between two variables being studied.