The line graph illustrate the average spending of regularly contract from four types of mobile phone in entire Europe from January 2002 to September 2022 in euro currency. In general, four types of mobile phone has different trend, whether it is increased or decreased.
The Alpha types has a fluctuative trend until June before it increased significantly up to September. The Sim TX seemed to be fluctuative in the era where the picked of the types happened in June. The Lex types shown a good trend, although there was some declining in February (as it’s lowest point) and June. Meanwhile, the Domo shown a great start between the other types (it start in the number of 15) and tend to have a good trend up to September; however, in certain months like April, August, and September, it has slight decreasing.
Overall, each types has it’s own trend, where the weakest start are belong to Alpha, and the storengst strat belong to Domo. However, the trend seemed to be switched, as Alpha types end the period with the highest rate and the Sim TX ended the period as the last runner.