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Weighted Mean

The weighted mean has similarity with the arithmetic mean (average). The basic difference is that each of the values can be influenced by the values of the different multipliers, called weights, while in the arithmetic mean, each of the values has the unit, as an omitted multiplier.
Use the point as decimal separator. Ex. For the number 3,152.41 enter 3152.41; Enter data as requested, the results will be displayed automatically by clicking on "Calculate".

              Weighted Mean             
Decimal places:        
Number Weight
Total row:           


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Percent of a number  Percent of a total  Accumulated total by a percentage  Percentage of two numbers  Arithmetic mean  Geometric mean  Harmonic mean  Quadratic mean  Weighted mean  Weighted geometric mean  Weighted harmonic mean  Standard Deviation  Correlation Coefficient  Simple Linear Regression  Quadratic equation  Cubic equation solver  Nth root solver  Nth Power of a number  Logarithm & antilogarithm solver  Trigonometric Functions  Inverse Trigonometric Functions  Proportional division  Determinant matix 3 by 3  Linear equations in two variables  Linear equations in three variables  Rule of three - Direct proportion  Rule of three - Inverse proportion  Compound Rule of three  Restaurant - checking the bill