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Math Help - find Q2 AND D8.........

  1. #1
    Member
    Joined
    Jul 2006
    Posts
    95

    find Q2 AND D8.........

    HELLO,
    plz try to find these...........
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  2. #2
    Newbie
    Joined
    Apr 2007
    Posts
    9

    Solution

    Solution:

    Out put in tons
    f
    Cumulative
    Frequency
    (F)
    Class Boundary
    (C.B)
    50-59
    3
    3
    49.5-59.5
    60-69
    10
    13
    59.5-69.5
    70-79
    18
    31
    69.5-79.5
    80-89
    28
    59
    79.5-89.5
    90-99
    20
    79
    89.5-99.5
    100-109
    12
    91
    99.5-109.5
    Total
    91
    .
    ..


    [IMG]file:///C:%5CDOCUME%7E1%5CADMINI%7E1%5CLOCALS%7E1%5CTemp%5 Cmsohtml1%5C01%5Cclip_image002.gif[/IMG]
    [IMG]file:///C:%5CDOCUME%7E1%5CADMINI%7E1%5CLOCALS%7E1%5CTemp%5 Cmsohtml1%5C01%5Cclip_image004.gif[/IMG]
    Watching this value in cumulative frequency column, it lies against 4th class.
    Substituting the values in above formula:
    [IMG]file:///C:%5CDOCUME%7E1%5CADMINI%7E1%5CLOCALS%7E1%5CTemp%5 Cmsohtml1%5C01%5Cclip_image006.gif[/IMG]


    [IMG]file:///C:%5CDOCUME%7E1%5CADMINI%7E1%5CLOCALS%7E1%5CTemp%5 Cmsohtml1%5C01%5Cclip_image008.gif[/IMG]
    Watching this value in cumulative frequency column, it lies against 5th class.
    Substituting the values in above formula:
    [IMG]file:///C:%5CDOCUME%7E1%5CADMINI%7E1%5CLOCALS%7E1%5CTemp%5 Cmsohtml1%5C01%5Cclip_image010.gif[/IMG]
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