QUESTION 7 Bob attempts to download a data file using the follolwing statement data urllib.request.urlopen ("http://too.bar/foobar.tgz") However, the URL http foo. bar/foobar tgz is no longer valid. What will be the value of the variable data after the execution of the statement? The statement raises an exception The variable data does not exist The value of data is an empty string The value of data is unknown The value of data is None QUESTION 8 Is it a good idea to use interactive GUI tools for reproducible data analysis (as opposed to command-line programmed tools), and why? Yes, it is. Interactive GUI tools, as a rule, provide more powerful data analysis techniques. No, it is not Interactive GUI tools do not record the history of operations, which makes the analysis not reproducible. No, it is not Interactive GUI tools are usually oversimplified, stripped down versions of powerful programmable data processing environments. Yes, it is. Interactive GUI tools simplify data analysis and make it more accessible