QUESTION 4 Moving average smoothing model, MAjo), the effect of Increasing a, the window length, is; More weight is given to the values in the history of the trend, more fluctuation in the observed data are smoothed out, a less smoothed Q More weight is given to the most recent observation of the trend and less weight is given to the values in the history of the trend, a less smoothed fit. Q More weight is given to the values in the history of the trend, more fluctuation in the observed data are smoothed out, a more smoothed fit. Q More weight in given to the most recent observation of the trend and less weight is given to the values in the history of the trend, a more smoothed fit