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ACTIVITYConsider the data given in example 1 and calculate the arithmetic mean by deviationmethod by taking successive values ofx, i.e., 17.5,32.5,... as assumed means. Now discussthe following:1. Are the values of arithmetic mean in all the above cases equal?2. If we take the actual mean as the assumed mean, how much will f;dbe?3. Reason about taking any mid-value (class mark) as assumed mean? |
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Answer» Answer: |
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