Monday, November 3

Confidence Interval for normal distribution

  • 68% of the area within ± 1σ (standard deviations of mean), i.e. 68% confidence interval =Xa ± 1σ
  • 90% of the area within ± 1.645 σ
  • 95% of the area within ± 1.96 σ
  • 99% of the area within ± 2.58
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