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AnilSinghBora
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The lengths of 40 leaves in a plant are measured correctly to the nearest millimeter, and the data obtained is represented as in the following table: Q.4

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How i solve this problem form exercise 14.3 of statistics chapter of question no.4. Give me the best and the easy way for solving the problem of class 10th ncert question, how i solve this problem in easy way The lengths of 40 leaves in a plant are measured correctly to the nearest millimeter, and the data obtained is represented as in the following table:

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  1. This answer was edited.

    Since the data are not continuous reduce 0.5 in the lower limit and add 0.5 in the upper limit.

    So, the data obtained are:

    n = 40 and n/2 = 20

    Median class = 144.5-153.5

    then, l = 144.5,

    cf = 17, f = 12 & h = 9

    Ncert solutions class 10 chapter 14-4

    Median = 144.5+((20-17)/12)×9

    = 144.5+(9/4)

    = 146.75 mm

    Therefore, the median length of the leaves = 146.75 mm.

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