Using computer software, find the least squares regression line for the data in problem 4-13. Based on the "F" test, is there a statistically significant relationship between the first test grade and the average in the course.
**Problem 4-13 below**

4-13 Students in management science class have just received theri grades on the first test. The instructor has provided information about the first test grades in some previous classes as well as the final average for the same students. Some of these grades have been sampled and are as follows;

Student 1 2 3 4 5 6 7 8 9
1st test grade 98 77 88 80 96 61 66 95 69
final average 93 77 84 73 84 64 64 95 76