If the mean of 2, 5, (x + 1), (x + 2), 7 and 9 is 6, find...
If the mean of 2, 5, (x + 1), (x + 2), 7 and 9 is 6, find the median.
6.5
6.0
5.5
5.0
Correct answer is C
1+5+x+6+x+2+7+96 = 6
26 + 2x = 36
2x = 36 - 26
2x = 10
x = 102 = 5
2, 5, 6, 7, 7, 9
Median = 6+72 = 6.5
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