单词 | mean/median/mode |
释义 | which_word 相似词mean / median / mode these words are used to describe different types of averages. consider the following series of numbers. 这三个词用于描述几种不同类型的平均值。请看下面一组数字:4 4 4 5 6 6 7 the mean (also called the arithmetic mean) is calculated by adding all the numbers together and dividing by how many numbers there are: (4+4+4+5+6+6+7)/7 = 5.14 平均数(mean,亦称算术平均数 arithmetic mean)的计算方法是把所有数字相加再除以有多少个数字:(4 + 4 + 4 + 5 + 6 + 6 + 7)/7 = 5.14the median can only be found if the numbers are arranged in order of size. it is the number in the middle of the series: 5 求中位数(median)需将数字按大小顺序排列,处于数列中间的那个数字:5the mode is the most common number: 4 众数(mode)是出现次数最多的那个数:4 |
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