• 2021 April(Z04) Math Question 27

    Statistics

    - Mean, Median, Mode Combinations

    Statistics (Mean, Median, Mode, Standard Deviation)
    Choice E
    X‾={61+76+79+80+80+84+91+90}{8}\overline X=\frac\{61+76+79+80+80+84+91+90\}\{8\}
    X‾={641}{8}\overline X=\frac\{641\}\{8\}
    X‾=80.125>79\overline X=80.125>79

    So the mean is greater.

    Median={80+80}{2}=80Median=\frac\{80+80\}\{2\}=80

    So the median is equal.

    Mode=80Mode=80

    Hence, mode is also equal.

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