Question 1 Report
If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median
Answer Details
Firstly; solving for x
6 = 2+5+x+1+x+2+7+96
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 = 7+62 7 + 6 2
→ 6.5