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SCENARIO 16-13
Given below is the monthly time series data for U.S.retail sales of building materials over a specific year.
The results of the linear trend,quadratic trend,exponential trend,first-order autoregressive,second-order autoregressive and third-order autoregressive model are presented below in which the coded month for the 1st month is 0:
Linear trend model:
Quadratic trend model:
Third-order autoregressive::
Below is the residual plot of the various models:
-Referring to Scenario 16-13,what is the exponentially smoothed value for the 12th month using a smoothing coefficient of W = 0.25 if the exponentially smoothed value for the 10th and 11th month are 9,477.7776 and 9,411.8332,respectively?
Tree
A perennial plant with an elongated stem, or trunk, supporting branches and leaves, in most species.
Proximity
The state, quality, or fact of being close or near in space, time, or relationship.
Complementarity
A concept in relationships that suggests a higher degree of satisfaction when partners' characteristics or behaviors complement each other well.
Reciprocity
A social rule where if someone gives you something, you feel an obligation to give something back.
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