which is a statistical connection between the trend and the blue line in excel? what type of analysis would be performed if the red line in one graph was autocorrelated against the green one why is the blue line always associated with the red how to plot differenced graph can you plot regressions using dw which of the following lines is used for regression analysis? what is the difference between the d-f and e-t what is the difference in graphs in the dw t test? how to plot a change in the red line with the detrended why is the blue line of a graph of time series autocorrelation what is the trend of the graph in excel how to plot the red line of a graph how to find out if regressing a regression is linear how to show a trend graph how to detrend a chart why the blue line is trending? how to detrend two lines in excel how to detrend a graph of time can you tell which line is the trend or difference why is it important to detrend one set of data