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    maramfaith24's Avatar
    maramfaith24 Posts: 41, Reputation: 1
    Junior Member
    		  
    #1

    Feb 22, 2011, 05:06 PM
    Help finding the outlier in the data set?
    0.3, 7, 5.8, 6.6, 7.7, 6.5, 7.4, 9.9

    What would the outlier be, I think 9.9.. Am I right?
    emtdan's Avatar
    emtdan Posts: 16, Reputation: 4
    New Member
    		  
    #2

    Feb 22, 2011, 07:54 PM
    Are we doing our homework?

    Think again.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Feb 23, 2011, 06:55 AM
    Quote Originally Posted by emtdan View Post
    Think again.
    Right. Which one of these data points is the furthest away from the mean? How many standard deviations from the mean is it? Is it enough standard deviations away to be considered an outlier?
    taterbug010's Avatar
    taterbug010 Posts: 3, Reputation: 1
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    #4

    Feb 27, 2011, 01:48 PM
    The answer is always the number that seems to have the largest difference between the other numbers. Majority of the numbers are 1 point away however 0.3 is 5.5 away from the next number (5.8)... so 0.3 is your outlier
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