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11 April, 23:26

Calculate the mean and variance of the sample data set provided below. show and explain your steps. round to the nearest tenth. 14, 16, 7, 9, 11, 13, 8, 10

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  1. 12 April, 03:12
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    Mean = (14 + 16 + 7 + 9 + 11 + 13 + 8 + 10) : 8 = 11

    Variance =

    [ (14-11) ² + (16-11) ² + (7-11) ² + (9-11) ² + (11-11) ² + (13-11) ² + (8-11) ² + (10-11) ² ]/7 = 9.71

    Answer: 9.71
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