TABLE 18-6
the Maker of a Packaged Candy Wants

question 72

Short Answer

TABLE 18-6
The maker of a packaged candy wants to evaluate the quality of her production process. On each of 16 consecutive days, she samples 600 bags of candy and determines the number in each day's sample that she considers to be of poor quality. The data that she developed follows.
$\begin{array}{lcl}&\text {Number}&\text { Proportion }\\\text { Day}& \text { Poor } & \text { Poor } \\\hline1 & 33 & 0.0550000 \\2 & 29 & 0.0483333 \\3 & 31 & 0.0516667 \\4 & 32 & 0.0533333 \\5 & 43 & 0.0716667 \\6 & 45 & 0.0750000 \\7 & 46 & 0.0766667 \\8 & 48 & 0.0500000 \\9 & 48 & 0.0500000 \\10 & 46 & 0.0766667 \\11 & 28 & 0.0466667 \\12 & 32 & 0.0533333 \\13 & 28 & 0.0466667 \\14 & 32 & 0.0533333 \\15 & 31 & 0.0516667 \\16 & 24 & 0.0400000\end{array}$

-Referring to Table 18-6, a p control chart is to be constructed for these data. The center line for the chart should be located at _____.

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Definitions:

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the equilibrium price, where the quantity demanded equals the quantity supplied.

Tariffs

Taxes imposed by a government on imported goods, often to protect domestic industries from foreign competition.

Lumber

Wood that has been converted into planks and beams, which is part of the sequence of processes involved in the production of wood.

Equilibrium Price

The cost at which the amount of a product consumers want to buy is equal to the amount producers are willing to sell.