對數正態分佈log-normal distribution)係指一個隨機變數對數常態分佈;如果話 呢個隨機變數呈對數正態分佈嘅話,噉 呈常態分佈[1]

參考

編輯
  1. Johnson, Norman L.; Kotz, Samuel; Balakrishnan, N. (1994), "14: Lognormal Distributions", Continuous univariate distributions. Vol. 1, Wiley Series in Probability and Mathematical Statistics: Applied Probability and Statistics (2nd ed.), New York: John Wiley & Sons.