chi-square distribution

短语

[化] χ, 2分布

词形变化

chi-square distributions 复数 chi-square distributions

别名

chi-squared distribution χ² distribution

释义与例句

n.
  1. 1.

    A probability distribution widely used in inferential statistics.

    卡方分布

    数学

    1992, Harold R. Lindman, Analysis of Variance in Experimental Design, Springer, Softcover Reprint, page 7, The chi-square distribution with ν degrees of freedom is defined to be the distribution of the sum of ν independent squared random variables, each having the standard normal distribution.