高中数学统计问题:Z-score和percentile 急!!
一组数据416161626263646465656666676871717173747577798181一共24个问:a)Z-scoreof75b)Inwhatperce...
一组数据 41 61 61 62 62 63 64 64 65 65 66 66 67 68 71 71 71 73 74 75 77 79 81 81 一共24个
问:a)Z-score of 75
b) In what percentile is the value 71
c) what is the value of the 25th percentile?
怎么求呢 求出来代表什么呢?谢谢~ 展开
问:a)Z-score of 75
b) In what percentile is the value 71
c) what is the value of the 25th percentile?
怎么求呢 求出来代表什么呢?谢谢~ 展开
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