Add all values together.
Divide the total by the number of values.
Use: mean = (x₁ + x₂ + … + xₙ) / n
If weighted: mean = (w₁x₁ + w₂x₂ + … + wₙxₙ) / (w₁ + w₂ + … + wₙ)
Add all values together.
Divide the total by the number of values.
Use: mean = (x₁ + x₂ + … + xₙ) / n
If weighted: mean = (w₁x₁ + w₂x₂ + … + wₙxₙ) / (w₁ + w₂ + … + wₙ)