The purpose of using the moving average is to take away the short-term seasonal and random variation,leaving behind a combined trend and cyclical movement.

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The statement is true. The moving average is a commonly used technique in time series analysis to smooth out the fluctuations in data and highlight the underlying trend and cyclical component, which can be useful for forecasting and decision-making. By calculating the average of a certain number of past observations, the moving average reduces the impact of short-term noise and variation, revealing the longer-term pattern in the data.

The Purpose of Using the Moving Average Is to Take