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GRE数学例题:数据解释题型(7)

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  15.The median score for the class is

  A.76

  B.77

  C.78

  D.79

  E.80

  答案:B

  16.If 5 points were added to each score, which of the following would not be affected?

  A.The highest score

  B.The mean for all scores

  C.The median for the seniors'scores

  D.The mode for the juniors' scores

  E.The standard deviation for all scores

  答案:E

  17.If the mean score for the juniors were known, which of the following could be calculated from the information given?

  (1) The range of the scores for the seniors

  (2) The median score for the juniors

  (3) The mean score for the seniors

  A.None

  B.(1) only

  C.(3) only

  D.(1) and (2)

  E.(2) and (3)

  答案:C

重点单词   查看全部解释    
range [reindʒ]

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n. 范围,行列,射程,山脉,一系列
v. 排

 
deviation [.di:vi'eiʃən]

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n. 偏差数,偏离,出轨,背盟

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affected [ə'fektid]

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adj. 受影响的,受感动的,受疾病侵袭的 adj. 做

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mode [məud]

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n. 方式,样式,模式,风格,时兴
n.

 
calculated ['kælkjuleitid]

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adj. 计算出的;适合的;有计划的 v. 计算;估计;

 
score [skɔ:]

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n. 得分,刻痕,二十,乐谱
vt. 记分,刻

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关键字: GRE 数学 例题

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