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

question 79

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.
-Referring to Table 17-7, 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:

Chocolate Milk

A sweetened chocolate-flavored milk drink.

White Milk

Plain milk without any added flavorings, such as chocolate or strawberry, typically derived from cows.

Reduced Birth Weight

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Cocaine Use

The act of consuming cocaine, a powerful stimulant drug, which can have serious health consequences and lead to substance dependency.