GRE数学辅导：数据解释题型重点试题(七)

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　　考生如果觉得复习gre数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对gre数学考试数据解释题型方面的典型题目及答案，希望对大家的复习有所帮助。

6 X9 u# u) Q2 A　　15.The median score for the class is
　　A.76
　　B.77
　　C.78
; N! f/ ]: [* F　　D.79
2 i  Q0 o& _) J2 K% `$ m! s, g　　E.80
" A+ H* i+ H' \5 L, p　　答案：B
　　16.If 5 points were added to each score, which of the following would not be affected?
$ a5 x9 Y+ l! g　　A.The highest score
　　B.The mean for all scores
  O0 N+ W( E7 q  D$ N　　C.The median for the seniors'scores
5 _( Z6 n& G4 N5 ?* D　　D.The mode for the juniors' scores
　　E.The standard deviation for all scores
0 M/ @# y4 q* K' F. H) J　　答案：E
　　17.If the mean score for the juniors were known, which of the following could be calculated from the information given?
% I- |& w; H0 i2 f  j$ `' [　　(1) The range of the scores for the seniors
　　(2) The median score for the juniors
　　(3) The mean score for the seniors
# l2 l8 H; C  D% l8 O8 r　　A.None
% c, J  e4 {" R( n6 b　　B.(1) only
　　C.(3) only
2 Y# D3 o  V. l1 j6 a# r　　D.(1) and (2)
　　E.(2) and (3)
　　答案：C
　　每到题目都是关于gre数学考试的典型题目，考生可以根据题目来复习知识点，这样更有针对性。