The meaning in chemistry is identical to the meaning in statistics; weiggted averaging is useful in the processing of experimental data.
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What is weighted average atomic number
A flow weighted average is found by dividing the total load over the estimation time by the total stream flow.
In addition to the observed values, a weighted average needs weights. No weights are given.
A weighted average is the average of a particular category and then weighted to whichever percentage it represents. Ex. Your course grade consists of 50% tests and 50% homework. You take two tests. You would take the average of the two tests and then weigh them against the total, which is 50%. (G1+G2)/2 x 50%
You have what's known as a weighted average. The 80 score is weighted more heavily than the 91 score, so the weighted average will be closer to 80 than a non-weighted average. 0.85 x 80 = 68 0.15 x 91 = 13.65 68 + 13.65 = 81.65