某校學(xué)生會(huì)對(duì)同年齡的50名學(xué)生的體重進(jìn)行了測(cè)試,體重分別如下(單位:kg):

52,44,51,55,62,46,57,43,49,54,51,52,48,52,46,51,48,51,46,48,45,58,51,59,57,53,49,50,42,53,42,61,47,50,50,48,54,56,46,54,44,62,49,49,51,54,53,52,46,55.

試?yán)L制這組數(shù)據(jù)的頻數(shù)分布表.

答案:略
解析:

(1)決定組距和組數(shù).①6242=20,②取組距3kg,,分成7組.

(2)列出頻數(shù)分布表.


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科目:高中數(shù)學(xué) 來源: 題型:044

某校學(xué)生會(huì)對(duì)同年齡的50名學(xué)生的體重進(jìn)行了測(cè)試,體重分別如下(單位:kg)

52,44,515562,4657,43,49,54,51,52,48,52,46,51,485146,48,45,58,5159,5753,4950,42,53,4261,47,50,50,4854,5646,54,44,62,49,49,515453,5246,55

試?yán)L制這組數(shù)據(jù)的頻數(shù)分布表.

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