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【单选题】
随机区组设计数据的方差分析与完全随机设计相比,下列哪项是错误的 。A.
提高统计检验效率
B.
将的离均差平方和从完全随机设计的组内离均差平方和分离出来
C.
减少组内离均差平方和
D.
实施难度更低
E.
间差异较大推荐使用随机随机设计方差分析
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A.
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B.
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of which
D.
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one.
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Two.
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