Which of these is not an assumption made for the construction of the tabular Cusum charts?

Which of these is not an assumption made for the construction of the tabular Cusum charts? Correct Answer The assumptions are very inconsistent with phase II application of SPC

Tabular Cusum charts are made with the assumptions that, the selected variable varies on normal distribution with a known mean and standard deviation. The standard deviation estimate may also be used.
Bissoy MCQ

Related Questions

Which of these is not one of the assumptions made for the construction of Tabular Cusum charts for the individual measurements?
Which of these is true for the Minitab version of tabular cusum charts?
What of these can be used as the decision interval for the tabular cusum charts?
Data for _________ process control can be presented in whichever form in which data is commonly presented for analysis, presentations, and comparison. These tools include bar charts, pie charts, scatter plots to relate two or more variables, Pareto charts, and control charts.
How many ways are there to represent the Cusum on the Cusum charts?
Which of these is a reason, why the Cusum charts are better than the Shewhart control charts?
Shewhart control charts are better for phase II applications than the Cusum charts.
What is analogous to the control limits as in Shewhart control charts, in the cusum status charts?
Which of these charts can be used instead of Shewhart control charts, in the case of small number of subgroups used to construct the charts, which were recommended by Quesenberry?
What are the graphical displays of tabular cusum called?