Question

An exponential smoothing technique that adds a trend smoothing constant to the single-parameter exponential smoothing technique is known as: (Multiple Choice)

three-parameter (or triple) exponential smoothing.
the ratio-to-moving-average method.
two-parameter (or double) exponential smoothing.
the easiest way to produce a seasonally adjusted time series.

Answer 1

Option A: exponential smoothing is also known as triple exponential smoothing or Holt-Winters Exponential Smoothing