In an exponentially smoothed time series, the smoothing constant w is chosen on the basis of how much smoothing is required. In general, a small value of w such as 0.1 results in a great deal of smoothing, while a large value of w, such as 0.9, results in very little smoothing.

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Quizplus · Accepted Answer

This statement is true. A smaller value of w will put more weight on past observations, resulting in a smoother time series, while a larger value of w will give more weight to recent observations, resulting in a less smoothed time series.

In an Exponentially Smoothed Time Series, the Smoothing Constant W