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7 May, 01:30

a data set includes the following test scores:75,82,62,78. The score on a retake is 96. it the retake score replaces the lowest test grade, how is the mean affected

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  1. 7 May, 05:20
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    Increase by 8.75

    Step-by-step explanation:

    75+82+67+72=296

    296/4 = 74

    74 = Original Mean

    75+82+96+78=331

    New mean 82.75

    82.75-74=8.75
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