早教吧 育儿知识 作业答案 考试题库 百科 知识分享

环保课外活动小组队某城市10个地区抽样做空气含尘调查数据如下:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.01(单位:克/立方米)若国家环保局队大气飘尘的要求为平均不超过每立方米0.025克,问

题目详情
环保课外活动小组队某城市10个地区抽样做空气含尘调查数据如下:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.01(单位:克/立方米)若国家环保局队大气飘尘的要求为平均不超过每立方米0.025克,问该城市的空气是否符合国家环保要求?
▼优质解答
答案和解析
(0.03+0.04+0.03+0.02+0.04+0.01+0.03+0.03+0.04+0.01)÷10=0.028
0.028>0.025,该城市的空气质量不符合国家环保要求~