TABLE 14-6
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.
-Referring to Table 14-6, the process seems to be in control.

Question

TABLE 14-6
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. 
-Referring to Table 14-6, the process seems to be in control.

Quizplus · Accepted Answer

Control charts can be used to evaluate whether a process is in control. In this case, the candy maker has collected data on the number of poor quality bags over a period of 16 consecutive days. Based on the control chart shown in Table 14-6, there are no points outside the control limits and no obvious patterns in the data. Therefore, the process seems to be in control.

TABLE 14-6 the Maker of a Packaged Candy Wants to Evaluate the Evaluate