At Isogen Pharmaceuticals, the filling process for its asthma inhaler is set to dispense 500 milliliters (ml) of steroid solution per container. The average range for a sample of 5 containers is 10 ml. Calculate the control limits for sample means (X-Bar chart) and ranges (R chart) for the filling process.
UCLx = x+A2R and LCLx=x-A2R
UCLD4R and LCLr=D3R