What is control chart? Application of control chart in Business and why it is useful?

In order to study how it changes over time that process control chart graph. Data are presented in order of time. The center line in a control chart is always on average, for the upper control limit and lower control limit for a top of the line for a bass line. These lines are determined from historical data. that a used full in business to Typically control charts are used for time-series data, though they can be used for data that have logical comparability (i.e. you want to compare samples that were taken all at the same time, or the performance of different individuals), however the type of chart used to do this requires consideration.