题干

为了了解江城中学学生的身高情况,随机对该校男生、女生的身高进行抽样调查,已知抽取的样本中,男生、女生的人数相同,根据所得数据绘制成如图所示的统计图表.

组别

身高(cm)

A

x<150

B

150≤x<155

C

155≤x<160

D

160≤x<165

E

x≥165

   

根据图表中信息,回答下列问题:

(1)在样本中,男生身高的中位数落在____ 组(填组别序号),女生身高在B组的人数有____ 人;

(2)在样本中,身高在150≤x<155之间的人数共有____ 人,身高人数最多的在____ 组(填组别序号);

(3)已知该校共有男生500人,女生480人,请估计身高在155≤x<165之间的学生约有____ 人.

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答案(点此获取答案解析)

D,12,16,C,541

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