The following 3 question refer to the data above.

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问题

选项 A、76
B、77
C、78
D、79
E、80

答案B

解析标题：一个由8名大学三年级学生和12名大学四年级学生组成的班级的考试分数该班级考试分数的中数是多少?
解：本题的正确答案是(B)。该班级共有20名学生，考试分数的中数是指第10名和第11名学生分数的算术平均数。本题分布为从小到大，则第10人的分数为76，第11人分数为78，他们的算术平均数=(76+78)/2=77。

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本试题收录于： GRE QUANTITATIVE题库GRE分类

GRE QUANTITATIVE

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The following 3 question refer to the data above.

GRE QUANTITATIVE

GRE

(78)Wouldyouriskyourlifeforacountrythatconsideredyouasecond-classcitizen?Wouldyoujoinamilitarythataskedyout

Giventhechoice,youngerprofessionalsaremostinterestedinworkingattechcompanieslikeAppleandgovernmentagencieslike

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Youmusthavebeentroubledbywhentosay"Iloveyou"becauseitisoneofthegreatestpuzzlesinourlife.Whatifyous

______thatthetradebetweenthetwocountriesreacheditshighestpoint.

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