Does InfinityQS allow me to enter in my own Upper and Lower Control Limits?
InfinityQS is absolutely committed to the accurate and correct application of statistical process control. We are so committed to statistical accuracy that we employ several degreed Industrial Statisticians to work closely with our clients and developers to ensure statistical validity and accuracy. Our commitment to statistical methods and their correct use is why our control limits are created by specifying a mean and a standard deviation (sigma). Why? Because Shewhart Control Chart limits are ONLY supposed to be based on the correct mean and standard deviation for a given subgroup size, n. By requiring users to type in a mean and standard deviation, InfinityQS ensures that the control limits are actually based on this extremely important statistical requirement: control limits must be based on the MEAN, and the STANDARD DEVIATION for a specific subgroup size. A serious statistical flaw of all of our competitors is that they actually allow users to type in control limits without regar
