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The weighted arithmetic mean is used, if one wants to combine average values from samples of the same population with different sample sizes: : The weights wi represent the bounds of the partial sample. In other applications they represent a measure for the reliability of the influence upon the mean by respective values. rhinostar
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Weighted average atomic mass?
What is weighted average atomic number
Is there any difference between expected value and arithmetic mean?
There is. Arithmetic mean is simple average of numbers not weighted by anything. However in EV, the numbers are weighted by their probability
In Mathematical terms what does the term weighted average mean?
In mathematical terms a weighted average is one which takes account of the popularity or frequency that particular numbers appear in the collection that is being averaged. It is considered to give a more realistic average.
What is a flow weighted average?
A flow weighted average is found by dividing the total load over the estimation time by the total stream flow.
How do you get weighted mean?
A weighted mean is when some values contribute more than others. In order to calculate weighted mean multiply each weight by its value, add those and then divide by the sum of the weights.
