TABLE 18-5
a Manufacturer of Computer Disks Took Samples

question 13

Short Answer

TABLE 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.
$$\begin{array} { l l l } \text { Day } & \text { Bad } & \% \text { Bad } \\\hline 1 & 9 & 0037500 \\2 & 7 & 0.029167 \\3 & 4 & 0.016667 \\4 & 6 & 0.025000 \\5 & 8 & 0.033333 \\6 & 3 & 0.012500 \\7 & 6 & 0.025000 \\8 & 10 & 0.041667 \\9 & 16 & 0.066667 \\10 & 24 & 0.100000 \\11 & 15 & 0.062500 \\12 & 9 & 0.037500 \\13 & 4 & 0.016667 \\14 & 8 & 0.033333 \\15 & 6 & 0.025000\end{array}$$
-Referring to Table 18-5, a p control chart is to be made for these data. The center line of the control chart is _____ .

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Definitions:

Innis

Harold Adams Innis, a Canadian professor and the author of seminal works on media, communication theory, and economic history.

World Politics

The study of how global political processes, institutions, and leaders interact in the international arena.

Metaphysical Stage

A phase in Auguste Comte's Law of Three Stages where society searches for the essence of phenomena through abstract speculation and supernatural explanations.

Comte

Auguste Comte, a French philosopher, is known as the father of sociology and positivism, emphasizing the importance of empirical evidence and scientific methods in understanding society.