> DOWNLOAD CONTROL CHARTS FOR VARIABLES AND ATTRIBUTES PDF WRITER >> READ ONLINE Four widely-used attributes control charts are: 1. p chart: 7.1 The p-chart and np-chart with Equal Sample Sizes control chart with variable sample size. height, weight, length, concentration). General control charts for attributes. There are two main types of variables control charts. The types are: 1. Type # 1. Sara Gradara 7 25 • X-bar chart: based on the average of a subgroup. Attributes control charts have historically been used with 3-sigma limits. Effective Applications of Control Charts … P and np Control Charts. We will address attributes charts in Part 8. ÅîÝ#{¾}´}
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