The following table includes the information about a monthly time series. 
When the exponential smoothing method with α = 0.1 is applied,what is the MAD?
Definitions:
Spherical
Having the shape of a sphere; completely round in three dimensions.
Squamous
Describes a type of flat, thin cells that are found in tissues lining certain internal organs and on the body's surface.
Stratified Squamous Epithelium
A type of epithelial tissue composed of multiple layers of cells, with the outermost layer being flat and scale-like, serving protective functions in areas subject to abrasion.
Stratified Cuboidal Epithelium
A type of tissue composed of multiple layers of cube-shaped cells, often found in sweat glands, mammary glands, and salivary glands.
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