Table 64
the Manager of Kewpie Has Recently Implemented an Attribute-Based

Multiple Choice

Table 6.4
The manager of Kewpie has recently implemented an attribute-based process control method. The accompanying table shows the results of five different samples of dolls from the five weeks of production after the process control method was implemented.
$$\begin{array} { | c | c | c | } \hline \text { Week } & \begin{array} { c } \text { Sample } \\\text { Size }\end{array} & \begin{array} { c } \text { Number } \\\text { Defective }\end{array} \\\hline 1 & 100 & 3 \\2 & 100 & 20 \\3 & 100 & 23 \\4 & 100 & 12 \\5 & 100 & 13 \\\hline\end{array}$$
-Assume that the newly implemented control chart has a central line of p = 0.10,with the standard deviation computed from this original value.Assume also that z = 2 is used for defining the control limits and sample sizes of 100 dolls.What can be said about the doll-making process based on the first five weeks of experience from Table 6.4?

A) The process is in control.
B) The process is out of control.
C) More information should be collected.
D) The process is capable.