The line graph illustrates average annual expenditures on cell phone and residential phone services from 2001 to 2010. Summarize the information by selecting and reporting the main features, and make comparisons where re

The line graph illustrates average annual expenditures on cell phone and residential phone services from 2001 to 2010. Summarize the information by selecting and reporting the main features, and make comparisons where re

The line graph illustrates average annual expenditures on cell phone and residential phone services from 2001 to 2010. Summarize the information by selecting and reporting the main features, and make comparisons where re

Average annual expenditures on cell phone and residential phone services from 2001 to 2010