計算有限個數(shù)的數(shù)據(jù)的中位數(shù)的方法是:把所有的同類數(shù)據(jù)按照大小的順序排列。如果數(shù)據(jù)的個數(shù)是奇數(shù),則中間那個數(shù)據(jù)就是這群數(shù)據(jù)的中位數(shù);如果數(shù)據(jù)的個數(shù)是偶數(shù),則中間那2個數(shù)據(jù)的算術(shù)平均值就是這群數(shù)據(jù)的中位數(shù)。
2024-06-08
計算有限個數(shù)的數(shù)據(jù)的中位數(shù)的方法是:把所有的同類數(shù)據(jù)按照大小的順序排列。如果數(shù)據(jù)的個數(shù)是奇數(shù),則中間那個數(shù)據(jù)就是這群數(shù)據(jù)的中位數(shù);如果數(shù)據(jù)的個數(shù)是偶數(shù),則中間那2個數(shù)據(jù)的算術(shù)平均值就是這群數(shù)據(jù)的中位數(shù)。