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Mean absolute deviation (MAD)

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Find the mean absolute deviation (MAD) of the data in the bar chart below.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
A bar graph labeled Bubbles blown by each gum chewer. The vertical axis labeled Number of bubbles. The horizontal axis is labeled Person, The bar line for person shows the following: Manueala bar line extends to 4, Sophia bar line extends to 5, Jada bar line extends to 6, Tara bar line extends to 1.