论文部分内容阅读
1.呈现问题在我校最近组织的一次高三模拟考试中,有这样一道理科数学试题:某校调查了高三年级1000位同学的家庭月平均收入情况,得到家庭月平均收入频率分布直方图如图。(1)某企业准备给该校高三同学发放助学金,发放规定如下:家庭收入在4000元及其以下的每位同学得助学金2000元,家庭收入在(4000,6000](元)间的每位同学得助学金1500元,家庭收入在(6000,8000](元)间的每位同学得助学金1000元,家庭收入在
1. Rendering Problems In a recent high school entrance exam organized by our university, there was such a science math test: a school investigated the average monthly household income of 1000 classmates in the third grade and got the histogram of the frequency distribution of average monthly household income . (1) An enterprise is prepared to grant grants to the third-year high school students in the university. The regulations are as follows: The grants of 2,000 yuan for every family member with a family income of 4,000 yuan and below are 2000 yuan, and the family income is between (4000,6000 yuan) Students get scholarships 1,500 yuan, family income (6000,8000] (yuan) between students per student grants 1,000 yuan, family income in