GMAT数学词汇整理（20）
<p> 为了方便广大考生更好的复习，综合整理了<span word="GMAT">GMAT</span>数学词汇，以供各位考生考试复习参考,希望对考生复习有所帮助。愿大家都能取得好成绩。</p><p> 1. <span word="mode">mode</span></p><p> 一堆数中出现频率最高的一个或几个数<span word="e">e</span>.<span word="g">g</span>. <span word="mode">mode</span> <span word="of">of</span> 1,1,1,2,3,0,0,0,5 <span word="is">is</span> 1 <span word="and">and</span> 0</p><p> 2. <span word="range">range</span> 一堆数中最大和最小数之差 <span word="e">e</span>.<span word="g">g</span>. <span word="range">range</span> <span word="of">of</span> 1,1,2,3,5 <span word="is">is</span> 5-1=4</p><p> 3. <span word="mean">mean</span> <span word="arithmatic">arithmatic</span> <span word="mean">mean</span></p><p> <span word="geometric">geometric</span> <span word="mean">mean</span> <span word="n">n</span>个数之积的<span word="n">n</span>次方根</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> </p>
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