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what is the formula of weighted mean. What is the Weighted Mean. The weights taken should be equal to 100 or 1.
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The weights taken should be equal to 100 or 1. S summation in other wordsadd. Suppose in a quiz there are 10 questions and out of those 10 questions 5 are about science and 5 are about history.
Explanation A weighted average also called a weighted mean is an average where some values count more than others.
Mean ¼ 1 ¼ 2 ¼ 3 ¼ 4 025 05 075 1 25. So lets have a look at the basic R syntax and the definition of the weightedmean function first. The power of weighted average is noticeable with a final exam. The weighted mean also called weighted average is used a lot by teachersYou will learn how to calculate the weighted average using a real life example.
