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

question 131

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 upper control limit involves multiplying the average of the sample ranges by D₄. For this data set, the value of D₄ is ________.

---

Definitions:

Actual Authority

The explicit power given to an agent or representative by a principal, allowing them to make decisions and act on the principal's behalf.

Apparent Authority

Apparent authority refers to a situation where a person appears to have the authority to act on behalf of another (such as an employer) even if no actual authority has been granted, leading others to reasonably believe in that authority.

Mutual Agreement

An accord reached by two or more parties who have made concessions to each other to resolve a conflict or reach a decision.

Notified

Informed or made aware, often in a formal or official manner.