Which number is the odd one out in each shape 1 5 29 55 81 17 13 12 33 79

HI There,

First we put all this in order least to greatest so, 

Step 1: 1,5,12,13,17,29,33,55,79,89 

Step 2: Find the mean, median, mode.

Mean: 33.3

Mode: 1, 5, 12, 13, 17, 29, 33, 55, 79, 89

Median:  23
So the odd one out is 33.3