Creating a time series plot in MS Excel …
https://serc.carleton.edu/hydromodules/steps/td1.html
Setting up the fitting of an ARIMA model to a time series Select the time (DateTime) column and the data series column. Click on the Insert ribbon, and then select Scatter. From scatter plot options, select Scatter with Smooth Lines. Open XLSTAT Select the XLSTAT / Time Series Analysis / ARIMA command. Once you've clicked on the button, the ARIMA dialog box will appear.
Select the time (DateTime) column and the data series column.
Click on the Insert ribbon, and then select Scatter.
From scatter plot options, select Scatter with Smooth Lines.
Open XLSTAT
Select the XLSTAT / Time Series Analysis / ARIMA command. Once you've clicked on the button, the ARIMA dialog box will appear.
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