Given two or more sets of responses to categorical items (e.g., customer survey responses categorized as poor, fair, good, excellent), the Six Sigma Black Belt will be able to perform a Chi-Square test to determine if the samples are significantly differe
Given two or more sets of responses to categorical items (e.g., customer survey responses categorized as poor, fair, good, excellent), the Six Sigma Black Belt will be able to perform a Chi-Square test to determine if the samples are significantly differe
给出两组或以上分类项目的响应结果（例如，顾客调查结果分类为差、一般、好、出色），6西格玛黑带应能进行卡方检验以确定样本是否有显著差异。