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J & K CET Engineering J and K - CET Engineering Solved Paper-2004

  • question_answer
    The weight (in Kilogram) of 15 students are as follows 31, 35, 27, 29, 32, 43, 37, 41, 34, 28, 36,44, 45, 42, 30. If the weight 44 kg is replaced by 46 kg and \[27\text{ }kg\]is by \[25\text{ }kg,\] then new median is

    A)  \[32\]           

    B)  \[33\]

    C)  \[34\]           

    D)  \[35\]

    Correct Answer: D

    Solution :

    Given series is 31, 35, 27, 29, 32, 43, 37, 41, 34, 28, 36, 44, 45, 42, 30. Since, \[44\,\,kg\] is replaced by \[46\,\,kg\] and \[27\,kg\] is replaced by\[25\,kg\], then the given series becomes 31, 35, 25, 29, 32, 43, 37, 41, 34, 28, 36, 46, 45, 42, 30 Arrange this series in ascending order. 25, 28, 29, 30, 31, 32, 34, 35, 36, 37, 41,42, 43, 45, 46. Total number of students are 15, therefore middle term is 8 whose corresponding value is 35.


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