Calculate thea. aa. Find the rank correlation coefficient in the following data. x 92 89 87 86 86 77 71 63 53 50 Y 86 83 91 77 68 85 52 82 3

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Calculate thea. aa. Find the rank correlation coefficient in the following data. x 92 89 87 86 86 77 71 63 53 50 Y 86 83 91 77 68 85 52 82 37 57 Find the rank correlation coefficient in the following data. the rank correlation coefficient in the following data. coefficient of rank correlation from the following data:- Roll no. of Students : 1 2 3 4 5 6 7 8 9 10 11 12Marks in X : 60 34 40 50 45 41 22 43 42 66 64Marks in Y : 75 32 34 40 45 33 12 30 36 72 41 57​

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Peyton 1 month 2021-08-18T03:18:50+00:00 1 Answer 0 views 0

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    2021-08-18T03:20:25+00:00

    Given :

    x 92 89 87 86 86 77 71 63 53 50

    Y 86 83 91 77 68 85 52 82 37 57

    To Find :  Rank correlation coefficient

    Step-by-step explanation:

    X RX Y RY di di^2

    92 1 86 2 -1 1

    89 2 83 4 -2 4

    87 3 91 1 2 4

    86 4.5 77 6 -1.5 2.25

    86 4.5 68 7 -2.5 6.25

    77 6 85 3 3 9

    71 7 52 9 -2 4

    63 8 82 5 3 9

    53 9 37 10 -1 1

    50 10 57 8 2 4

        44.5

    ∑d²  = 44.5

    n = 10

    rank correlation coefficient    = 1   – 6  ∑ (di)² / (n(n² – 1))

    = 1  – 6 * 44.5 / 10 (10² – 1)

    = 1 –  267/990

    = 723/990

    = 0.73

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