2 8 9 7 6 x July 8, 2019 16 32 64 128 9 6 7 5x )= 8 2 x 4 9 8 7 6 5 x 4 3 2 1 2 8 9 7 6 x the mean is 6 9 7 24 8 6 x 2 16 2 9+8