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6 March, 22:48

By how much does the mean of the data set below change if the outlier is removed round your answer to the nearest tenth if necessary 8,6,9,12,19,7,10,8

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  1. 6 March, 22:58
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    It changes by ~1.3

    With outlier: add all terms-79 divide by # of terms (8) 79/8 = 9.875

    Without outlier: add all terms except 19.60 divide by #of terms (7) 60/7=~8.5714

    Subtract 9.875 - 8.7514 ... = ~1.306. Round to nearest 10th = 1.3
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