A quality control inspector at the Crunchy Potato Chip Company has taken $10$ samples with $4$ observations each of the weight of bags $($oz$.)$ filled. The data and the computed means are shown in the following table:

Use the information in the table and respond to the following:

Develop control limits of $3$ standard deviations for the bottling operation.

Draw the x$$ and R charts.

Is the process in statistical control? Why or why not?