Question

Companies are devoting time and energy to promote recycling. A major recycling company found some old documents that present the recorded amount of cell phone collected over a span of eight years.

Year                       Cellular Telephones Collected (in millions)
2009                                       2.2
2010                                       2.6
2011                                       2.9
2012                                       3.4
2013                                       3.1
2014                                       4.2
2015                                       4.9
2016                                       5.3

Part a) Develop a time series plot with Year on the X axis and Cellular Telephones Collected on the Y axis.
Part b) Does there appear to be a relationship between time and cellular telephones collected?

Answer 1