The spreadsheet Google_volume.xlsx contains data on the monthly volume of trading in Google stock (millions of shares) from May 2006 to January 2009. Generate one-step-ahead forecasts for May 2008 through January 2009, using May 2006 through April 2008 as the estimation sample. Compute the one-step-ahead prediction intervals, and check to see how many intervals include the actual values.
Attachment:- Google_volume.xlsx