A manufacturer of television wall mounts would like to make a chart to monitor the percentage of defective mounting brackets due to problems with drilled holes. These holes may be defective because they are off$-$center, out of round, or not drilled. Five samples, each of size $100,$ have been taken from the production process and the discrepancies are as follows:A manufacturer of television wall mounts would like to make a chart to monitor the percentage of defective mounting brackets due to problems with drilled holes. These holes may be defective because they are off$-$center, out of round, or not drilled. Five samples, each of size $100,$ have been taken from the production process and the discrepancies are as follows: