SCENARIO 18-5
a Manufacturer of Computer Disks Took Samples of 240

question 156

Essay

SCENARIO 18-5
A manufacturer of computer disks took samples of 240 disks on 15 consecutive days. The number of
disks with bad sectors was determined for each of these samples. The results are in the table that
follows. $\begin{array}{ccc} \underline{\text { Day }}& \underline{\text { Bad }} & \underline{ \% \mathrm{Bad}}\\1 & 9 & 0.037500 \\2 & 7 & 0.029167 \\3 & 4 & 0.016667 \\4 & 6 & 0.025000 \\5 & 8 & 0.033333 \\6 & 3 & 0.012500 \\7 & 6 & 0.025000 \\8 & 10 & 0.041667 \\9 & 16 & 0.06667 \\10 & 24 & 0.100000 \\11 & 15 & 0.062500 \\12 & 9 & 0.037500 \\13 & 4 & 0.016667 \\14 & 8 & 0.033333 \\15 & 6 & 0.025000\end{array}$

-Referring to Scenario 18-5, construct a p control chart for these data.

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Definitions:

Internet Searches

The process of using a web browser to enter queries into a search engine to find specific information on the internet.

Semantic Web

An extension of the current Web, aimed at providing a more meaningful and structured way of representing data on the internet.

Metadata

Data that provides information about other data, such as the format, content, and context, which helps in its identification, management, and understanding.

Text Data

Information stored as strings of text, often used in programming and data processing to represent names, messages, or other textual information.