The following time series shows the number of units of a particular product sold over the past six months. 
a.Compute a 3-month moving average (centered) for the above time series.
b.Compute the mean square error (MSE) for the 3-month moving average.
c.Use = 0.2 to compute the exponential smoothing values for the time series.
d.Forecast the sales volume for month 7.
Definitions:
Correlated
A term indicating a statistical relationship between two or more variables, where changes in one variable are associated with changes in another.
Risky Sexual Behaviors
Actions that increase the likelihood of contracting sexually transmitted infections (STIs) or unwanted pregnancy.
Media Effects
The various ways in which media can influence people's thoughts, feelings, and behaviors.
Sleep Deprivation
A condition resulting from insufficient rest, affecting cognitive function, mood, and physical health.
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