Control charts are one of the hardest things for those studying six sigma to understand. Here’s an easy Control Charts Study Guide for you.
An Individual moving range chart (I-MR Chart) also called X-MR is used when data is continuous and not collected in subgroups (n=1).
Statistical process control (SPC) is a technique for applying statistical analysis to measure, monitor, and control processes.
X Bar S Control Charts are a type of control chart often used to examine the process mean and standard deviation over time.
X Bar R charts are the widely used control charts for variable data. They help to examine the process stability in many industries.