SCENARIO 15-7 A Supplier of Silicone Sheets for Producers of Computer Chips

question 134

Short Answer

SCENARIO 15-7
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 15-7, 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:

Units

A standard quantity in terms of which other quantities may be expressed.

Used Needles

Needles that have been utilized for injection or aspiration and must be disposed of in specific containers to prevent injury and disease transmission.

Syringes

Medical devices used to inject or withdraw fluids, consisting of a needle and a body that holds the fluid.

Discarded

Thrown away or disposed of as no longer useful or desirable.