sample mean

名词 n.

英文释义

名词 n.
  1. Given a random sample mathbf x₁,…, mathbf x_N from an n-dimensional random variable mathbf X, a mean defined as
    — mathbf ̄x=1/N∑ₖ₌₁ᴺ mathbf xₖ.

词形变化

sample means plural
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