Question

The median of observations 11, 12, 14, 18, x + 2, 20, 22, 25, 61 arranged in ascending order is 21. Find the value of x.

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Answer 1

Step-by-step explanation:

$median = 9 \\ odd = 1by2(n + 1) \\ 1by2 \: (9 + 1) \\ 1by2 \times 10 = 5 \\ = x + 2 \: answer$

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