单选2626、测得一组数据为5.82,5.80,5.75,5.72,5.65,
依据规范其测定值修约保留到0.1,
Áð^A(±_=bbs.3c3t.comAg¤&p34`当大于等于5.8判定其合格,用全数值判定该组数据中合格值表达正确的是( )
Áð^A(±_=bbs.3c3t.comAg¤&p34` A、5.75,5.72,5.65,5.82,5.80
Áð^A(±_=bbs.3c3t.comAg¤&p34` B、5.80,5.82,5.75
Áð^A(±_=bbs.3c3t.comAg¤&p34` C、5.82
Áð^A(±_=bbs.3c3t.comAg¤&p34` D、5.80,5.82
Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`~~~~~~~~~~~~~~~~~~~·
Áð^A(±_=bbs.3c3t.comAg¤&p34`此题争议比较大,答案集中在B和D上,个人分析了一下,主要纠结于上面红字部分的描述,如果没有“依据规范其测定值修约保留到0.1”这句话的话,
Áð^A(±_=bbs.3c3t.comAg¤&p34`此题答案肯定就是D了,
Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`我来分析一下我的个人看下,
Áð^A(±_=bbs.3c3t.comAg¤&p34`看下新教材P128页,表8-3
Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`因为测定值修约保留到0.1,那么首先这五组数据的测定值应为5.8,5.8,5.8,5.7,5.6,这样的话前三个都是合格的,所以答案选B。见
附件表1-2Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`但是全数值比较法,是将测试所得的测定值或计算值不经修约处理,用该数值与规定的极限数值作比较,只要超出数值规定的范围,都判定为不符合要求。
Áð^A(±_=bbs.3c3t.comAg¤&p34`按理来说这里的测定值应该不经修约处理,那么答案就应该选D了,见
附件表1-1。但是好像又与红色文字部分不符。
Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`Áð^A(±_=bbs.3c3t.comAg¤&p34`~~~~~~~~~~·
Áð^A(±_=bbs.3c3t.comAg¤&p34`各位有什么看法,欢迎探讨!!
Áð^A(±_=bbs.3c3t.comAg¤&p34`附件:
P129.jpg 附件:
表1-1.jpg 附件:
表1-2.jpg 附件:
P128.jpg