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    Question

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    A 35.25 Correct Answer Incorrect Answer
    B 40.25 Correct Answer Incorrect Answer
    C 30.33 Correct Answer Incorrect Answer
    D 28.33 Correct Answer Incorrect Answer

    Solution

    Model class = 25 - 30  Lower limit of the model class (L) = 25 Frequency of model class (f1) = 11 Frequency of preceeding model class (f0) = 9  Frequency of next model class(f2) = 10  h = 5  Mode = L + {(f1  -  f0 ) / ( 2 f1  -  f0  -  f2) } h  Mode = 25 + {(11 - 9)/22-9-10 } 5 Moode = 25  + 3.33  Mode = 28.33 ans. 

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