Use the data given below to answer the following question(s) .
The table below shows the car sales from the year 2002-2007.The forecaster assumes a smoothing constant of 0.8 and uses the exponential smoothing model to determine the forecast for the future. 
-For the given data,the value of the mean square error is ________.
Definitions:
Sulci
Grooves or furrows on the surface of the brain, which along with gyri (ridges), increase the surface area of the cerebral cortex.
Prenatal Development
The progression of maturation and advancement inside the uterus from the point of conception until delivery.
Cognitive Behavior
A psychological concept that refers to thoughts, beliefs, and attitudes influencing how people perceive and react to the world around them.
Frontal Lobes
The front part of the brain associated with complex cognitive functions, including planning, reasoning, and impulse control.
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