12. What is an average? Discuss the features of a good average.
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An average which possesses all or most of the following qualities (characteristics) is considered a good average: (1) It should be easy to calculate and simple to understand. (2) It should be clearly defined by a mathematical formula. (3) It should not be affected by extreme values.
Explanation:
An average which possesses all or most of the following qualities (characteristics) is considered a good average: (1) It should be easy to calculate and simple to understand. (2) It should be clearly defined by a mathematical formula. (3) It should not be affected by extreme values.
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