However,[11] recommended that a reasonable value for H is five times the process standard deviation, σ which is used in this study. Also the ARL approximation given by[14] is used to calculate the chart Average Run Length (ARL) value
However,[11] recommended that a reasonable value for His five times the process standard deviation, σ which is usedin this study. Also the ARL approximation given by[14] is used to calculate the chart Average Run Length (ARL) value