By Team Aakash Byju's
Various types of control charts are described here:
A univariate control chart is a graphic description of just one quality attribute.
A multivariate control chart is a visual description of a statistic that summarizes or illustrates multiple quality attributes.
Based on the statistics of the subgroup summary plotted on the chart, the control charts of variables can be categorized into:
Based on a long-term sigma with control limits, Levey-Jennings charts represent the mean process.
These charts are used to visualize data that is essentially continuous and is based on the idea of continuous data.
Depending on the sample size, pre-summarize charts convert the process columns into standard deviations of sample means.