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tmua.me Medium Set D Paper 2 · Q18

Paper 2Statistics

A list contains 2020 numbers, each of which is 00, 22, 66 or 99.

Exactly five of the numbers are 22, and exactly three are 99. The median of the list is 44.

What is the mean of the list?

A7320\dfrac{73}{20}
B7915\dfrac{79}{15}
C7920\dfrac{79}{20}
D44
E174\dfrac{17}{4}

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