Below you are given some values of a time series consisting of 26 time periods. 
The estimated regression equation for these data is Yt = 16.23 + .52Yt-1 + .37Yt-2
The forecasted value for time period 27 is
Definitions:
Social Psychological Research
The scientific study focusing on how individuals think, influence, and relate to one another within a social context.
Social Facilitation
The tendency for people to perform tasks better or more efficiently in the presence of others.
Margin of Error
The degree of inaccuracy or the range within which the true value is expected to lie in statistical surveys, reflecting the confidence in the results.
P-value
A statistical measure that helps determine the significance of results obtained in research, indicating the probability of observing the results by chance under a null hypothesis.
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