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Math Help - Newton interpolation - Answer mismatch

  1. #1
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    Question Newton interpolation - Answer mismatch

    Hi,

    I am trying to solve this question but always my answer is mismatching with the answer written in the book. Can anyone help to solve this question so that i can verify the answer.

    Q: From the table(shown below), using the newton interpolation formula, estimate the number of students who abtained marks between 80 - 85
    ...........................____________________________________
    Marks ..................| 40 - 50 | 50 - 60 | 60 - 70 | 70 - 80 | 80 - 90|
    No. of Students......|....40....|.....78....|.....10...|.....3......|....19...|
    ...........................-----------------------------------------------


    Need help asap.

    Thanks in advance
    Lalit Chugh
    Last edited by MathGuru; June 20th 2006 at 11:51 PM.
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