A technique used to isolate the trend in a time series is: adjusted factor% seasonal index...

A technique used to isolate the trend in a time series is:

adjusted factor%

seasonal index correction factor

centered moving average

seasonal decomposition

Expert Solution

Centered Moving Average

It is the only method among the available options to estimate and eliminate trend.

For your knowledge, brief of Centered Moving Average is given below

In statistics, a moving average (rolling average or running average) is a calculation to analyze data points by creating series of averages of different subsets of the full data set. It is also called a moving mean (MM) or rolling mean and is a type of finite impulse response filter... Given a series of numbers and a fixed subset size, the first element of the moving average is obtained by taking the average of the initial fixed subset of the number series. Then the subset is modified by "shifting forward"; that is, excluding the first number of the series and including the next value in the subset. A moving average is commonly used with time-series data to smooth out short-term fluctuations and highlight longer-term trends or cycles.

orchestra answered 2 years ago

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