Go to file/ function Adding Envil Untitled1* x OAW Run Source R . Find Next Prev AJ Replace Replace In selection Match case Whole word Regex Wrap 138 This question concerns the relationship between the variables yr an 139 140 1. What kinds of variables are these? 141 142 2. Run appropriate numerical and graphical commands to explore this 143 Files 144 3. Is the graphical output readable? Ne 145 146 4. What does the numerical result tell you? 147 148 33:11 (Top Level) = R Scripts