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Maths Statistics

  • A standardised variable
  • Zero
  • Population variance
  • Sample variance
  • Sample Mean
  • Median
  • ~\frac{\sum\limits_{i=1}^n~x_i}{n}~
  • ~\frac{x_i-\bar{x}}{s_x}~
  • ~x_{0.5(n+1)}~ from an ordered series
  • ~\frac{\sum\limits_{i=1}^N~(x_i-\mu_x)^2}{N}~
  • ~\frac{\sum\limits_{i=1}^n~(x_i-\bar{x})}{n}~
  • ~\frac{\sum\limits_{i=1}^n~(x_i-\bar{x})^2}{n-1}~










  • 13.5
  • 15.5
  • 12.5
  • 11.5
  • 16.0
  • 14.0
  • 11.0
  • 15.0
  • 13.0
  • 12.0
  • 14.5
  • 0.25
  • 0.08
  • 0.01
  • 0.00
  • 0.40
  • 0.00
  • 0.00
  • 0.00
  • 0.16
  • 0.10
  • 0.00


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