为了解江西某县城区学生在中考体育测试各项目的报考与成绩情况,调研组随机抽取了城区一所初中(城区各初中的人数和体育素养相当),对该所初中的上届
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmn%3E1400%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
名毕业生中考体育的相关情况进行了调查.中考体育测试项目有①必考项目:男生
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmn%3E1000%3C%2Fmn%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
(记为C)、女生
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmn%3E800%3C%2Fmn%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
(记为
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmi%3EC%3C%2Fmi%3E%3Cmo%3E%27%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
);男生
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmath%3E)
分钟跳绳(记为D)、女生
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmath%3E)
分钟跳绳(记为
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmi%3ED%3C%2Fmi%3E%3Cmo%3E%27%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
).②选考项目(二选一):男生立定跳远(记为E),女生立定跳远(记为
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmi%3EE%3C%2Fmi%3E%3Cmo%3E%27%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
);男生引体向上(记为F),女生仰卧起坐(记为
![](https://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmi%3EF%3C%2Fmi%3E%3Cmo%3E%27%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
),根据调查结果绘制了如下统计图表.
得分频数分布表
得分x/分 | 频数 |
男生 | 女生 |
| 500 | |
| | 160 |
| 100 | 100 |
| 0 | 40 |
请根据图中信息解答下列问题: