各位大侠，讨教Cp和Cpk的问题

本帖最后由 sunshinecall 于 2013-7-2 14:58 编辑

我想问的是譬如一组数据 非正态分布，如何把原有数据调整为正态分布？
58.0
59.8
58.9
57.5
60.8
58.5
58.2
58.1
58.9
59.8
59.8
59.3
58.6
58.7
59.8
59.8
58.5
59.8
58.4
59.2
58.4
58.6
58.4
57.8
58.0
57.8
58.5
58.2
59.4
58.0
60.6
59.0
59.3
59.9
58.8
59.1
59.5
60.2
59.6
58.3
57.8
59.5
58.8
58.0
59.8
59.3
58.7
58.8
59.8
60.2
59.5
58.8
59.2
58.8
57.9
59.8
59.5
59.2
58.8
59.8
58.8
58.8
59.5
59.3
61.5
60.8
59.1
58.4
58.8
58.8
59.3
58.3
59.3
59.0
58.6
58.5
58.5
59.0
58.8
58.8
58.8
58.5
58.5
58.5
58.4
58.4
57.8
58.6
58.8
57.8
59.8
58.2
57.8
58.3
57.8
57.8
58.5
59.3
59.2
59.4
譬如这个100组数据，现有Cp和Cpk值偏低，有什么简单的方法提高Cp值和Cpk值，使之达到要求的Cpk>=1.33的要求，
初学minitab和六四格玛，不怎么会，望请各位大侠赐教！