statistics-help-35

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Hi, I need someone to finish these questions and the computer questions should be use R programming. I will attach the data set soon, meanwhile, here are the continued computer questions after photo 5 :

4.

Now, fit your daily maximum temperature series in the summer months with an ARIMA(p,d,q) model. Use the “auto.arima” command in the “forecast” package to automatically pick p, d, and q. What regression model do you end up obtaining?

5.

Use the “forecast” command in the “forecast” package to forecast the daily temperaturein Sept. 1-3, 2017 using the model you obtained in the last question.What are your point forecasts?

6.

Plot out the point forecast as well as the 90% forecast interval