Module $4$ Assignment

The file InpatientWaitList$-$NHS$.$xls contains data collected by the National Health Service on the median amount of time that physician referred patients had to wait to receive inpatient care at a hospital in the UK$.$ The data is collected monthly from June $1998$ February $2010.$

Find the best fitting ARIMA model for this data using R$.$

Did you apply a transformation? Why or why not

What are the parameters $($pdq$$s and seasonality$)$ of the best fitting model?

What are the expected wait times in March, April, and May of $2010?$

Upload a graph of the data with predicted wait times, with $50\%$ and $75\%$ prediction intervals displayed