linear regression problem set with using programming r 1

This is the Linear Regression problem set with using Programming R.

In problem set, there are 5 problems, which are solving with r problems and ordinary problems about linear regression.

Problem 2 3 and 4 need a date set so I attached file. hw4 problem set2txt is for problem2 and 3 4 and so on.

The due date is 11/22/ 10pm in est time.

I prefer to get the solution before the dead line so plz do your work and give me the solution asap.

Also, can you write specific question number and solution below.

for example, question 2 has 7 small questions. can you write the each number in solution?

Thank you.