U 主要输出结果: Analysis Variable X N mean Std Dev Std Error Lower95.0%CLM Upper95.0%CLM 2135.42381.81130.3953 34.5993 36.2483 结论:集团均数95%估计区间为[34.5993,36.2483] 主要输出结果: Analysis Variable : X N mean Std Dev Std Error Lower95.0%CLM Upper95.0%CLM 21 35.4238 1.8113 0.3953 34.5993 36.2483 结论:集团均数95%估计区间为[34.5993 ,36.2483]