7. The Figure below provides a bar chart showing the annual revenue for Google from 2004 to 2014 'H} 60 50 4g 30 Revenue (5 billions) 20 It) I} 2004 M 2036 2001 2MB 2C0!) 2010 20\" 2012 20|3 2014 Year a. What is the 1variable of interest? 1'). Are the data categorical or quantitative? :1. Are the data time series at cremaectioual