2. What is a Working Directory in R? What files should/will live in it? How do you confirm/change the location of your working directory on your computer? What will you use as your working directory for this class? 3. Name three ways to send a command from the Script Window to the Console (i.e. run a command). 4. True/False: Writing all commands in the Console is the best way to use RStudio; there is no need to save commands in a Script file. (Explain your answer!) 5. Assume the following was entered in R: length