SCENARIO 19-7 A Supplier of Silicone Sheets for Producers of Computer Chips

question 6

Short Answer

SCENARIO 19-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7,an R chart is to be constructed for the number of blemishes.One way to create the upper control limit involves multiplying the mean of the sample ranges by D₄.For this data set,the value of D₄ is .

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Definitions:

Probability Model

A mathematical framework that quantifies the likelihood of various outcomes in an experiment or event.

Random Variable X

A variable whose values depend on outcomes of a probabilistic phenomenon, with each of its outcomes assigned a numerical value.

Good Batteries

Batteries that pass quality tests and are deemed reliable for use in various devices.

Probability Model

A probability model is a mathematical representation of a random phenomenon, consisting of a sample space, events within the sample space, and probabilities associated with each event.