A forecasting method has produced the following over the past five months. What is the mean absolute deviation?Question $3$ AnswerA$\mathrm{.}8\mathrm{.}6$B$\mathrm{.}0\mathrm{.}0$C$.-0\mathrm{.}2$D$\mathrm{.}1\mathrm{.}2$E$.-1\mathrm{.}0$