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

question 90

Essay

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, construct a p control chart for these data.

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Definitions:

Consumer Sovereignty

The theory that consumer preferences and choices dictate the production of goods and services in an economy.

Resource Costs

The expenses incurred in acquiring the natural, human, and capital resources needed to produce goods or services.

Private Producer

An individual or company that produces goods or services in a market economy without direct government intervention.

Market Economy

An economic system where prices and production are determined by unrestricted competition between privately owned businesses.