$27.$ A company has been using exponential smoothing with an alpha of $2$ to forecast weekly truck sales. Given the data below. determine the MAD of the exponential smoothing forecast. Assume an initial exponential forecast of $60$ units in period $2($e$.$ no forecast for period $1).$

Period

Value

Period

$4$

$5$

$6$

$1$

$2$

$3$

$57$

$62$

$58$

Value

$60$

$60$

A$634$

$8\mathrm{.}1\mathrm{.}70$

$56$

antage of Gantt charts in project management is that they reveal which activities can be delayed without delayim

project.

C$.1\mathrm{.}99$

$0\mathrm{.}30$

E$60$