SCENARIO 18-7
a Supplier of Silicone Sheets for Producers of Computer

question 45

Essay

SCENARIO 18-7
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. $$\begin{array}{l}\text {\quad\quad\quad\quad\quad\quad\quad Sheet }\\\begin{array} { r r r r r r r r } \underline {\text { Day } }& \underline { 1 } &\underline { 2 }&\underline { 3 }& \underline {4 }& \underline {5} & \underline { \text { Mean } } &\underline { \text { Range }} \\1 & 8 & 10 & 14 & 6 & 5 & 8.6 & 9 \\2 & 8 & 13 & 6 & 6 & 10 & 8.6 & 7 \\3 & 10 & 12 & 7 & 7 & 9 & 9.0 & 5 \\4 & 5 & 9 & 12 & 7 & 10 & 8.6 & 7 \\5 & 8 & 3 & 8 & 9 & 10 & 7.6 & 7 \\6 & 9 & 7 & 9 & 6 & 9 & 8.0 & 3 \\7 & 10 & 10 & 5 & 7 & 6 & 7.6 & 5 \\8 & 10 & 9 & 10 & 6 & 5 & 8.0 & 5 \\9 & 6 & 10 & 6 & 9 & 9 & 8.0 & 4 \\10 & 6 & 9 & 8 & 6 & 8 & 7.4 & 3 \\11 & 8 & 5 & 6 & 10 & 10 & 7.8 & 5 \\12 & 6 & 4 & 7 & 7 & 12 & 7.2 & 8 \\13 & 7 & 5 & 7 & 6 & 9 & 6.8 & 4 \\14 & 5 & 8 & 8 & 7 & 6 & 6.8 & 3 \\15 & 7 & 12 & 10 & 6 & 10 & 9.0 & 6 \\16 & 7 & 11 & 4 & 7 & 8 & 7.4 & 7 \\17 & 8 & 4 & 5 & 4 & 7 & 5.6 & 4 \\18 & 11 & 4 & 11 & 11 & 10 & 9.4 & 7 \\19 & 6 & 10 & 6 & 10 & 10 & 8.4 & 4 \\20 & 6 & 12 & 12 & 6 & 8 & 8.8 & 6\end{array}\end{array}$$ She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 18-7, construct an R chart for the number of blemishes.

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Definitions:

First Sermon

Refers to the initial public discourse given by a religious figure or leader, often marking the beginning of their spiritual mission.

Stupas

Buddhist architectural structures in dome or mound shape, containing relics, and used as a place of meditation or worship.

Astronomical Observatory

A facility equipped with telescopes and other instruments for observing celestial events and bodies.

Buddhist Sanctuaries

Sacred places dedicated to Buddhism, providing spaces for worship, meditation, and the preservation of Buddhist teachings and artifacts.