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    pop000's Avatar
    pop000 Posts: 352, Reputation: 6
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    #1

    Feb 18, 2011, 11:39 AM
    scattering diagram (Statistics)
    you can see in the picture a scattering diagram that pronounce the connection between two variable.
    which of the following answers show the value of the Pearson correlation coefficient between the two different variable?

    A)
    B)
    C)
    D)
    E)
    thanks for helping.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Feb 19, 2011, 12:19 AM

    Pearson's coefficient of skewness =

    If the mode is to the right, then you have a negative coefficient.

    In your diagram, the mode is directly over the mean, meaning that mode = mean... so, the Pearson's Coefficient is ?
    pop000's Avatar
    pop000 Posts: 352, Reputation: 6
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    #3

    Feb 19, 2011, 03:06 AM
    Comment on Unknown008's post
    The Pearson's Coefficient is 0 ?
    Skewness Because If I look on the Skewness is Equal.
    Do I correct ?
    Thank you :)!!
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Feb 19, 2011, 03:26 AM

    Yes, I would think that it's correct.

    I didn't do that at school, but since my book also has regression... :)
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    pop000 Posts: 352, Reputation: 6
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    #5

    Feb 19, 2011, 10:59 AM
    Comment on Unknown008's post
    :) OK thnaks again
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