Sum of Squares Calculator

Example: 1, 2, 3, 4, 5
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Understanding Sum of Squares

The sum of squares (SS) is a fundamental statistical concept that measures the dispersion of data points around their mean value. It's calculated by:

  1. Finding the mean of all numbers in the dataset
  2. Subtracting the mean from each number (creating deviations)
  3. Squaring each deviation
  4. Adding all squared deviations together

Applications

Sum of squares is used in various statistical analyses:

  • Calculating variance and standard deviation
  • Analysis of Variance (ANOVA)
  • Regression analysis
  • Quality control in manufacturing