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

question 2

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 d2 factor?

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Definitions:

Gender

The range of characteristics pertaining to, and differentiating between, masculinity and femininity, often based on social and cultural differences rather than biological ones.

Genotype

The genetic makeup of an organism, consisting of the inherited genes that influence its characteristics.

Phenotype

The observable physical or biochemical characteristics of an organism, resulting from both its genetic makeup and environmental influences.

Chromosomal Abnormalities

Variations in the number or structure of chromosomes that often lead to genetic disorders or developmental abnormalities.