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为了培养学生的环境保护意识,某校组织课外活动小组对该市进行空气含尘调查,直面是某一天内每隔2h测得的数据:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(单位:).若国家环保局对大气飘尘的要求为平均值不超过,则这天该城市的空气是否符合国家环保的要求?

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21、为了培养学生的环境保护意识,某校组织课外小组对该市作空气含尘调查,下面是一天每隔2小时测得的数据:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(单位:克/立方米).
(1)求出这组数据的众数和中位数;
(2)若国家环保局对大气飘尘的要求为平均值不超过每立方米0.025克,问这天该城市的空气质量是否符合国家环保局的要求?
(3)为了提高该城市的空气质量,请你提出两条建议.

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为了培养学生的环境保护意识,某校组织课外小组对该市作空气含尘调查,下面是一天每隔2小时测得的数据:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(单位:克/立方米).
(1)求出这组数据的众数和中位数;
(2)若国家环保局对大气飘尘的要求为平均值不超过每立方米0.025克,问这天该城市的空气质量是否符合国家环保局的要求?
(3)为了提高该城市的空气质量,请你提出两条建议.

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(2002•兰州)为了培养学生的环境保护意识,某校组织课外小组对该市作空气含尘调查,下面是一天每隔2小时测得的数据:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(单位:克/立方米).
(1)求出这组数据的众数和中位数;
(2)若国家环保局对大气飘尘的要求为平均值不超过每立方米0.025克,问这天该城市的空气质量是否符合国家环保局的要求?
(3)为了提高该城市的空气质量,请你提出两条建议.

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(2002•兰州)为了培养学生的环境保护意识,某校组织课外小组对该市作空气含尘调查,下面是一天每隔2小时测得的数据:0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(单位:克/立方米).
(1)求出这组数据的众数和中位数;
(2)若国家环保局对大气飘尘的要求为平均值不超过每立方米0.025克,问这天该城市的空气质量是否符合国家环保局的要求?
(3)为了提高该城市的空气质量,请你提出两条建议.

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