Need asap

calculate the mean absolute deviation of the electric bills for family c. round your answer to the nearest cent.

month | family a | family c

january | $88.82 | $134.51

february | $84.80 | $118.06

march | $62.35 | $109.28

april | $65.17 | $90.15

may | $60.20 | $91.20

june | $74.86 | $96.36

july | $92.15 | $130.71

august | $99.89 | $129.16

september | $96.45 | $107.77

october | $81.63 | $100.95

november | $64.12 | $107.64

december | $72.58 | $123.82