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monmon梦梦

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[求助] 数据统计

我做的是长期毒性试验,如果我的试验是分批进行的,第一批动物与第二批动物之间的差异比较大,那我统计的时候应该怎样将两批动物的数据合并统计,或是采用哪种统计方法比较和理,希望大家帮帮我!
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