They can be brought in when an organization needs more than just descriptive statistics.
当组织需要的不仅仅是描述性统计时，可以请他们加入。
Descriptive analysis and difference significance test of statistics method were adopted in finally result analysis.
最后结果采用统计方法进行描述性分析和差异显著性检验。
Descriptive analysis and difference significance test of statistics method were adopted in finally result analysis.
最后结果采用统计方法进行描述性分析和差异显著性检验。
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