In our lower and upper fence calculator, we get into a more comprehensive explanation. How to calculate the upper fence and lower fence? To calculate the upper and lower fences, you need three parameters: The first quartile (Q₁); The third quartile (Q₃); and The interquartile range ...
Visit Omni upper and lower fence calculator. How do you calculate upper control limit (UCL)? To calculate the control limits of your process dataset, follow these steps: Calculate the mean x. Calculate the standard deviation σ of the dataset. Multiply the standard deviation by the control ...