• 2021 April(D05) Math Question 43

    Statistics

    - Mean, Median

    Averages
    Choice A
    5.5={5+x+5.5+6=5.75}{5}5.5=\frac\{5+x+5.5+6=5.75\}\{5\}
    ∴x=5.25\therefore x=5.25

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