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Population standard deviation: a worked example

video
  • Content location → Variance
    EvidenceVariance is the average of the squared deviations from the mean. The video adds the five squared differences to get 10, then divides by 5, so σ₁²=2.
  • Content location → Variance
    EvidenceConnection evidence is not yet available in this language.

Variance

concept
  • Explanation → Variance
    EvidenceVariance is the average of the squared deviations from the mean. The video adds the five squared differences to get 10, then divides by 5, so σ₁²=2.
  • Explanation → Variance
    EvidenceConnection evidence is not yet available in this language.

Variance

segment
  • Content location → Population standard deviation: a worked example
    EvidenceVariance is the average of the squared deviations from the mean. The video adds the five squared differences to get 10, then divides by 5, so σ₁²=2.
  • Explanation → Variance
    EvidenceVariance is the average of the squared deviations from the mean. The video adds the five squared differences to get 10, then divides by 5, so σ₁²=2.