Introduction to research and statistics

Please answer the following questions:
Indicate whether you are a future researcher, practitioner, or critical thinker. Describe how statistics will enhance your role.
State the difference between a population and a sample
State the difference between descriptive statistics and inferential statistics
Would you calculate and interpret the mean of a nominal variable? Please explain why or why not.
What is the function of random assignment in experiments? Be sure to explain your answer.