TABLE 18-7 A Supplier of Silicone Sheets for Producers of Computer Chips

question 35

Essay

TABLE 18-7
A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes sample sizes of 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.
Sheet
Day 1 2 3 4 5 Mean Range
1 8 10 14 6 5 8.6 9
2 8 13 6 6 10 8.6 7
3 10 12 7 7 9 9.0 5
4 5 9 12 7 10 8.6 7
5 8 3 8 9 10 7.6 7
6 9 7 9 6 9 8.0 3
7 10 10 5 7 6 7.6 5
8 10 9 10 6 5 8.0 5
9 6 10 6 9 9 8.0 4
10 6 9 8 6 8 7.4 3
11 8 5 6 10 10 7.8 5
12 6 4 7 7 12 7.2 8
13 7 5 7 6 9 6.8 4
14 5 8 8 7 6 6.8 3
15 7 12 10 6 10 9.0 6
16 7 11 4 7 8 7.4 7
17 8 4 5 4 7 5.6 4
18 11 4 11 11 10 9.4 7
19 6 10 6 10 10 8.4 4
20 6 12 12 6 8 8.8 6
She also decides that the upper specification limit is 10 blemishes.
-Referring to Table 18-7,construct an chart for the number of blemishes.

---

Definitions:

Primary and Secondary Needs

Basic and advanced levels of human needs, where primary needs are physiological, such as food and shelter, and secondary needs include social and psychological aspects.

Information Processing

The methods by which organisms receive, store, retrieve, and manipulate information from their environment.

Generalized Expectations

Beliefs or anticipations about the likelihood of outcomes based on general knowledge or past experiences, without specific evidence for the current situation.

Subjective Estimates

Judgments or evaluations based on personal feelings, tastes, or opinions rather than external evidence.