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Instruction 18-5
the Maker of a Packaged Candy Wants to Evaluate

question 88

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Instruction 18-5
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 follow.
 Day  Number  Poor  Proportion  Poor 1330.05500002290.04833333310.05166674320.05333335430.07166676450.07500007460.07666678480.08000009480.080000010460.076666711280.046666712320.053333313280.046666714320.053333315310.051666716240.0400000\begin{array} { | l | l | l | } \hline \text { Day } & \begin{array} { l } \text { Number } \\\text { Poor }\end{array} & \begin{array} { l } \text { Proportion } \\\text { Poor }\end{array} \\\hline 1 & 33 & 0.0550000 \\\hline 2 & 29 & 0.0483333 \\\hline 3 & 31 & 0.0516667 \\\hline 4 & 32 & 0.0533333 \\\hline 5 & 43 & 0.0716667 \\\hline 6 & 45 & 0.0750000 \\\hline 7 & 46 & 0.0766667 \\\hline 8 & 48 & 0.0800000 \\\hline 9 & 48 & 0.0800000 \\\hline 10 & 46 & 0.0766667 \\\hline 11 & 28 & 0.0466667 \\\hline 12 & 32 & 0.0533333 \\\hline 13 & 28 & 0.0466667 \\\hline 14 & 32 & 0.0533333 \\\hline 15 & 31 & 0.0516667 \\\hline 16 & 24 & 0.0400000 \\\hline\end{array}
-Referring to Instruction 18-5,a p control chart is to be constructed for these data.The centre line for the chart should be located at _______.


Definitions:

Spin-Off Firms

Companies formed by a division or portions of a parent company becoming an independent entity, often to pursue specific objectives or strategies that differ from the parent company.

Entrepreneurs

Individuals who initiate, manage, and assume the risks of a business or enterprise.

Product Innovations

Refers to the introduction of a new or significantly improved product or service that meets new requirements or satisfies existing market needs.

Incremental Improvements

Small, continuous enhancements made to a product or process over time, aiming for better efficiency or performance.

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