An institution has opened a preparatory course for the student exchange exam. To measure the success of this course on two students, six couples were created by matching those with similar academic...

An institution has opened a preparatory course for the student exchange exam. To measure the success of this course on two students, six couples were created by matching those with similar academic reasons. Exam results are below. By writing the H0 and H1 hypotheses, the reason for the significance of α = 0.01 is for testing and read the comment comment.