Solve for x by setting up the arithmetic mean equation:

[ x +(2x – 8) + (2x + 2) + (3x – 1) + (4x + 1)] / 5 = 6
 (12x –6) / 5 = 6
 12x – 6 = 30
 12x = 36
 x = 3
Now plug in 3 for the x’s.

 3, -2, 8, 8, 13
 
Mode is 8.
 
 

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