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◎ 题干
某校课外环保小组对本市的十个地方抽样做空气的含尘调查.数据如下(单位:克/立方米):
0.01,0.04,0.03,0.04,0.02,0.03,0.04,0.03,0.01,0.03.
(1)说出这组数据的众数和它的实际意义;
(2)如果国家环保局对大气飘尘的要求为平均值不超过0.025克/立方米,问该市的空气是否符合国家环保要求?