為了培養(yǎng)學(xué)生的環(huán)境保護(hù)意識(shí),某校組織課外活動(dòng)小組對該市進(jìn)行空氣含塵調(diào)查,直面是某一天內(nèi)每隔2h測得的數(shù)據(jù):0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(單位:).若國家環(huán)保局對大氣飄塵的要求為平均值不超過,則這天該城市的空氣是否符合國家環(huán)保的要求?

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:初中數(shù)學(xué) 來源: 題型:

21、為了培養(yǎng)學(xué)生的環(huán)境保護(hù)意識(shí),某校組織課外小組對該市作空氣含塵調(diào)查,下面是一天每隔2小時(shí)測得的數(shù)據(jù):0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(單位:克/立方米).
(1)求出這組數(shù)據(jù)的眾數(shù)和中位數(shù);
(2)若國家環(huán)保局對大氣飄塵的要求為平均值不超過每立方米0.025克,問這天該城市的空氣質(zhì)量是否符合國家環(huán)保局的要求?
(3)為了提高該城市的空氣質(zhì)量,請你提出兩條建議.

查看答案和解析>>

科目:初中數(shù)學(xué) 來源: 題型:解答題

為了培養(yǎng)學(xué)生的環(huán)境保護(hù)意識(shí),某校組織課外小組對該市作空氣含塵調(diào)查,下面是一天每隔2小時(shí)測得的數(shù)據(jù):0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(單位:克/立方米).
(1)求出這組數(shù)據(jù)的眾數(shù)和中位數(shù);
(2)若國家環(huán)保局對大氣飄塵的要求為平均值不超過每立方米0.025克,問這天該城市的空氣質(zhì)量是否符合國家環(huán)保局的要求?
(3)為了提高該城市的空氣質(zhì)量,請你提出兩條建議.

查看答案和解析>>

科目:初中數(shù)學(xué) 來源:2002年全國中考數(shù)學(xué)試題匯編《數(shù)據(jù)分析》(03)(解析版) 題型:解答題

(2002•蘭州)為了培養(yǎng)學(xué)生的環(huán)境保護(hù)意識(shí),某校組織課外小組對該市作空氣含塵調(diào)查,下面是一天每隔2小時(shí)測得的數(shù)據(jù):0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(單位:克/立方米).
(1)求出這組數(shù)據(jù)的眾數(shù)和中位數(shù);
(2)若國家環(huán)保局對大氣飄塵的要求為平均值不超過每立方米0.025克,問這天該城市的空氣質(zhì)量是否符合國家環(huán)保局的要求?
(3)為了提高該城市的空氣質(zhì)量,請你提出兩條建議.

查看答案和解析>>

科目:初中數(shù)學(xué) 來源:2002年甘肅省蘭州市中考數(shù)學(xué)試卷(解析版) 題型:解答題

(2002•蘭州)為了培養(yǎng)學(xué)生的環(huán)境保護(hù)意識(shí),某校組織課外小組對該市作空氣含塵調(diào)查,下面是一天每隔2小時(shí)測得的數(shù)據(jù):0.03,0.04,0.03,0.02,0.04,0.01,0.03,0.03,0.04,0.05,0.01,0.03(單位:克/立方米).
(1)求出這組數(shù)據(jù)的眾數(shù)和中位數(shù);
(2)若國家環(huán)保局對大氣飄塵的要求為平均值不超過每立方米0.025克,問這天該城市的空氣質(zhì)量是否符合國家環(huán)保局的要求?
(3)為了提高該城市的空氣質(zhì)量,請你提出兩條建議.

查看答案和解析>>

同步練習(xí)冊答案