某班共有25名学生,期末商务口语课程的考试分数分别为:68,73,66,76,86,74,61,89,65,90,69,67,76,62,81,63,68,81,70,73,60,87,75,64,56,该班考试分数的下四分位数和上四分位数分别是()
某班共有25名学生,期末商务口语课程的考试分数分别为:68,73,66,76,86,74,61,89,65,90,69,67,76,62,81,63,68,81,70,73,60,87,75,64,56,该班考试分数的下四分位数和上四分位数分别是()
A.64.5和78.5
B.67.5和71.5
C.64.5和71.5
D.64.5和67.5
正确答案:A