Examine the Statistical Process Control Outputs Below

question 123

Essay

Examine the Statistical Process Control outputs below. Answer the following questions.
a. What is the sample size?
b. What is the number of samples?
c. What is the mean of sample 8; what is the range of sample 10?
d. Is this process in control? Explain-a simple Yes or No is insufficient.
e. What additional steps should the quality assurance team take? $\begin{array}{|l|l|l|l|l|l|l|}\hline&&\text { Mean } && \text { Range }\\\text { UCL (Upper control limit) }&&12.6856&&1.0193\\\hline\text { CL (Center line) }&&12.36&&0.67\\\text { LCL (Lower control limit) }&&10.0344&&0\\\text { Sample Number }&\text { Item 1 }&\text { Item 2 }&\text { Item 3}&\text { Item 4}&\text { Mean } & \text { Range }\\\hline \text { Sample 1 } & 12.2 & 12.6 & 12 & 12.1 & 12.225 & 0.6 \\\text { Sample 2 } & 11.9 & 12.5 & 12.4 & 12.7 & 12.375 & 0.8 \\\text { Sample 3 } & 12 & 12.2 & 12.9 & 13.1 & 12.55 & 1.1 \\\text { Sample 4 } & 12.5 & 12.5 & 12.4 & 12.8 & 12.55 & 0.4 \\\text { Sample 5 } & 12.2 & 12.8 & 12.7 & 12 & 12.425 & 0.8 \\\text { Sample 6 } & 12.1 & 12.5 & 11.8 & 12.3 & 12.175 & 0.7 \\\text { Sample 7 } & 12.3 & 12.4 & 12.8 & 12.4 & 12.475 & 0.5 \\\text { Sample 8 } & 12 & 12.1 & 12.4 & 12.2 & 12.175 & 0.4 \\\text { Sample 9 } & 12.1 & 12.8 & 12.4 & 11.9 & 12.3 & 0.9 \\\text { Sample 10 } & 12.6 & 12.4 & 12.1 & 12.3 & 12.35 & 0.5 \\\hline\end{array}$

---

Definitions:

Experimenter

A person who conducts scientific tests and trials to explore hypotheses, investigate phenomena, or demonstrate principles.

Harm

Physical injury or psychological damage inflicted on a person, animal, or object.

Reward Power

The ability to influence others by offering something desirable, such as praise, promotions, or monetary benefits, as a means of control.

Powerholder

An individual or entity that possesses control and authority within a specific context, enabling them to influence outcomes.