Mention two essentials of a good average\xa0

1.	Mention two essentials of a good average\xa0
Answer» Ans. Some essential of good average are following :\tGood Average should be based on all the observations\tGood Average should not be unduly affected by extreme value\tGood<i>\xa0</i>Average should be easy to calculate and simple to understand\tGood\xa0Average should be capable of further algebraic treatment\tGood\xa0Average should not be affected by variations of sampling

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