比较两组测定结果的精密度。甲组:0.38%,0.38%,0.39%,0.40%,

恬恬2020-05-20  20

问题 比较两组测定结果的精密度。甲组:0.38%,0.38%,0.39%,0.40%,0.40%;乙组:0.37%,0.39%,0.39%,0.40%,0.41%。则A.甲、乙两组相同B.甲组比乙组高C.乙组比甲组高D.需要准确度数据才能判断E.无法判断

选项

答案B

解析
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