GMAT数学常用词汇及概念汇总(七)
<p> 考生在备考<span word="GMAT">GMAT</span>数学考试时，除了要通过大量练习来掌握<span word="GMAT">GMAT</span>数学的解题方法和技巧外，还需要对<span word="GMAT">GMAT</span>数学考试中经常用到的一些基本词汇和概念进行记忆，以辅助<span word="GMAT">GMAT</span>数学备考工作的进行。下面留学将对<span word="GMAT">GMAT</span>数学考试中经常用到的一些词汇和基本概念进行归纳，以供广大考生参考。</p><p> 4。<span word="median">median</span></p><p> 将一堆数排序之后，正中间的一个数， 或者中间两个数的平均数<span word="e">e</span>.<span word="g">g</span>. <span word="median">median</span> <span word="of">of</span> 1,7,4,9,2,5,8 <span word="is">is</span> 5 <span word="median">median</span> <span word="of">of</span> 1,7,4,9,2,5 <span word="is">is</span> /2=6</p><p> 5。<span word="standard">standard</span> <span word="error">error</span></p><p> 一堆数中，每个数与平均数的差的绝对值之和，除以这堆数的个数</p><p> <span word="e">e</span>.<span word="g">g</span>. <span word="standard">standard</span> <span word="error">error</span> <span word="of">of</span> 0,2,5,7,6 <span word="is">is</span>: /5=2.4</p><p> 6。<span word="standard">standard</span> <span word="variation">variation</span></p><p> 一堆数中，每个数与平均数之差的平方之和，再除以<span word="n">n</span> <span word="e">e</span>.<span word="g">g</span>. <span word="standard">standard</span> <span word="variation">variation</span> <span word="of">of</span> 0,2,5,7,6 <span word="is">is</span>: _ 2 2 2 2 2_</p><p> |_ ++++_|/5=6.8</p><p> 7。<span word="standard">standard</span> <span word="deviation">deviation</span> 就是<span word="standard">standard</span> <span word="variation">variation</span>的平方根</p><p> <span word="GREGMAT">GREGMAT</span>数学部分术语总汇</p><p> 代数部分</p><p> 1. 有关数学运算</p><p> <span word="add">add</span>，<span word="plus">plus</span> 加 <span word="subtract">subtract</span> 减 <span word="difference">difference</span> 差 <span word="multiply">multiply</span>, <span word="times">times</span> 乘 <span word="product">product</span> 积 <span word="divide">divide</span> 除 <span word="divisible">divisible</span> 可被整除的 <span word="divided">divided</span> <span word="evenly">evenly</span> 被整除 <span word="dividend">dividend</span> 被除数，红利 <span word="divisor">divisor</span> 因子，除数 <span word="quotient">quotient</span> 商 <span word="remainder">remainder</span> 余数 <span word="factorial">factorial</span> 阶乘 <span word="power">power</span> 乘方 <span word="radical">radical</span> <span word="sign">sign</span>, <span word="root">root</span> <span word="sign">sign</span> 根号 <span word="round">round</span> <span word="to">to</span> 四舍五入 <span word="to">to</span> <span word="the">the</span> <span word="nearest">nearest</span> 四舍五入</p>
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