Firstly; solving for x
6 = \(\frac{2 + 5 + x+1 + x+2 + 7 + 9}{6}\)
cross multiply to have:
6 * 6 = 2 + 5 + x+1 + x+2 + 7 + 9
36 = 2x + 26
36 - 26 = 2x
10 = 2x
x = 5
Median = \(\frac{7+6}{2}\)
→ 6.5
There is an explanation video available below.
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