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Can we use only direct method for finding mean ? |
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Answer» If the question have class mark than applyassumed and step deviation method and when class mark is not given then use direct method ask teacher Sorry its A+ sigma fidi /sigma fi Step deviation method is= A +sigma fidi /sigma fi × hi Assumed method=A+ sigma Didi/ sigma fi No there is specific formulas for finding mean that is step deviation method, assumed method Grouped or ungrouped? |
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