Problem description:The data set in the excel file contains:
- Data about the number of air passengers in both domestic and international flights in Australia from 1970 to 2015. This variable is the dependent variable denoted as Y.
- GDP per capita of Australia from 1970 to 2015, denoted as X1.
- Data about the total number of departures and arrival of international tourism in Australia from 1995 to 2015, denoted as X2 and X3.
- Total population of Australia from 1970 to 2015, denoted as X4.