A Retail Store Wants to See If the Accuracy of the Prices

question 7

Essay

A retail store wants to see if the accuracy of the prices that were entered into its database used for its cash registers is in control.It has collected 10 samples of size 500.The number of errors is found in the table below.Construct a 3-sigma p-chart to determine if this entry process is in control.
$$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Sample } \\\text { Number }\end{array} & \begin{array} { c } \text { Wrong Price } \\\text { Entries }\end{array} \\\hline 1 & 5 \\2 & 2 \\3 & 7 \\4 & 1 \\5 & 3 \\6 & 2 \\7 & 8 \\8 & 1 \\9 & 3 \\10 & 4 \\\hline\end{array}$$

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Definitions:

Mental Disorder

A broad range of conditions affecting mood, thinking, and behavior, often resulting in distress or impairment in daily functioning.

Brain Stimulation

A method used in neuromodulation therapies to alter the electrical activity in specific parts of the brain.

Depression

A mental health disorder characterized by persistently low mood and a feeling of sadness and loss of interest.

Wide Range

Pertains to something covering a large number of different areas, subjects, or options.