Use the Given Process Data to Construct a Control Chart $$\begin{array} { l l l l l l l l l l l l l l l l l l l l } 4 & 4 & 5 & 5 & 5 & 5 & 5 & 6 & 6 & 6 & 6 & 12 & 6 & 6 & 6 & 7 & 6 & 7 & 8 & 7\end{array}$$

question 40

Essay

Use the given process data to construct a control chart for p. A drugstore considers a wait of
more than 5 minutes to be a defect. Each week 100 customers are randomly selected and
timed at the checkout line. The numbers of defects for 20 consecutive weeks are given below. $$\begin{array} { l l l l l l l l l l l l l l l l l l l l } 4 & 4 & 5 & 5 & 5 & 5 & 5 & 6 & 6 & 6 & 6 & 12 & 6 & 6 & 6 & 7 & 6 & 7 & 8 & 7\end{array}$$

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Definitions:

Weak Correlation

A statistical relationship between two variables that indicates a slight linear association, usually represented by a correlation coefficient close to zero.

Positive

Refers to a value greater than zero, often indicating a favorable condition or result.

Negative

In mathematics or statistics, indicating a value less than zero or having a detrimental effect in a specific context.

Regression Model

A statistical technique that models and analyzes the relationships between a dependent variable and one or more independent variables.