进一步定量分析表明，农民增收的数量与增收的质量在统计意义上互为因果，但这种因果依存关系比较微弱且不协调。
Further quantitative analysis shows that it is a causal relationship between the amount and the quality each other of farmer income growth. But this kind relationship is weak and not coordinated.
传统的盈利能力分析仅仅注重收益的数量分析，而忽视了收益的质量分析，也难以反映收益质量。
Traditional analysis on the capacity of making profits only focuses on quantity not quality, so it is not complete.
数量统计分析是一种十分有效的质量分析和控制手段。
Statistics is an effective method for quality analysis and control.
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