A key dimension in a process that fills cereal into boxes is the amount of cereal filled in each box. This process is said to be in statistical control if: The mean amount filled is equal to the amount specified on the box If the standard deviation of the quantity filled is less than some maximum amount The quantity filled is acceptable to the customer The only variation we see in the quantity filled is natural variation A key dimension in a process that fills cereal into boxes is the amount of cereal filled in each box. This process is said to be in statistical control if: The mean amount filled is equal to the amount specified on the box If the standard deviation of the quantity filled is less than some maximum amount The quantity filled is acceptable to the customer The only variation we see in the quantity filled is natural variation