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State four merits of arithmetic mean. |
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Answer» 1. It can be easily calculated; and can be easily understood. It is the reason that it is the most used measure of central tendency. 2. As every item is taken in calculation, it is effected by every item. 3. As the mathematical formula is rigid one, therefore the result remains the same. 4. Fluctuations are minimum for this measure of central tendency when repeated samples are taken from one and the same population. |
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