TABLE 17-7 A Supplier of Silicone Sheets for Producers of Computer Chips

question 122

Short Answer

TABLE 17-7
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 Table 17-7, an R chart is to be constructed for the number of blemishes. One way to create the lower control limit involves multiplying the average of the sample ranges by D₃. For this data set, the value of D₃ is ________.

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Definitions:

Plasma Membrane

A semipermeable lipid bilayer that surrounds the cytoplasm of cells, controlling the movement of substances in and out of the cell.

Membrane Potential

A difference in electric charge between the two sides of a membrane.

Membranes

Thin layers of tissue that cover surfaces, lines cavities, and separates or connects spaces or organs in a living organism.

Compartments

Distinct sections within spaces or structures, typically used to separate or organize different functions or components.