Find the mean absolute deviation of each set of data. Round your answer to two decimal places. Did I do this correctly

Find the mean absolute deviation of each set of data. Round your answer to two decimal places.

3,1,5,4,8,6

1+3+4+5+6+8+=27 mad= |1-4.5|+|3+4.5|+|4-4.5|+|5-4.5|+|6- 4.5|+|8-4.5|=11 6 6 6