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用两种物质标定NaOH溶液的浓度(单位为mol∙L-1)得如下结果:

A、0.09785,0.09790,0.09710,0.09895

B、0.09710,0.09795,0.09785,0.09700,0.09705

试问这两组数据之间是否存在显著性差异(P=95%)?

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