Hi, Submit a .pdf and the corresponding .Rmd code, which you used to answer the

Hi,
Submit a .pdf and the corresponding .Rmd code, which you used to answer the

Hi,
Submit a .pdf and the corresponding .Rmd code, which you used to answer the following questions.
Make sure that all code can be successfully run on any computer.I have
attached the questions(1-3) and the data for question 2, you can follow the instructions.
Thank you!