The poultry farmer was aghast when the grocery store revealed their new weapon in the war on poor quality. They planned to use a(n) ________ to monitor the rotten eggs found in the cartons of farm fresh free range eggs that he supplied

The poultry farmer was well-versed in quality and knew their choice to be the right one; nevertheless he was upset about this level of scrutiny and what he perceived as a lack of trust.
Fill in the blanks with correct word

p-chart or c-chart