TABLE 17-9
The manufacturer of cat food constructed control charts and analyzed several quality characteristics. One characteristic of interest is the weight of the filled cans. The lower specification limit for weight is 2.95 pounds. The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.

-Referring to Table 17-9, based on the chart, it appears that the process is in control.

Question

TABLE 17-9
The manufacturer of cat food constructed control charts and analyzed several quality characteristics. One characteristic of interest is the weight of the filled cans. The lower specification limit for weight is 2.95 pounds. The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.
 
-Referring to Table 17-9, based on the  chart, it appears that the process is in control.

Quizplus · Accepted Answer

The chart shows that all data points are within the control limits and there are no patterns or trends indicating nonrandom variation. Therefore, the process is in control.

TABLE 17-9 The Manufacturer of Cat Food Constructed Control Charts and Analyzed