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Which is the weakest form of validity?
Exponential Smoothing Model
A time series forecasting method that applies weighted averages of past observations, decreasing exponentially as the observations get older.
Mean Square Error
A statistical measure used to evaluate the accuracy of a model by calculating the average squared difference between the estimated values and the actual value.
Smoothing Constant
A Smoothing Constant is a parameter used in exponential smoothing models for forecasting, which controls the weight given to the most recent observation.
Regression Method
A statistical process for estimating the relationships among variables, often used to predict the value of a dependent variable based on one or more independent variables.
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