Hello, could you please help me solve these problems? And please explain everything that I should know? Student 1 Student 2 Student 3 Student 4 Student 5 Student 6 Student 7 Student 8 Student 9 Height...

Hello, could you please help me solve these problems? And please explain everything that I should know?

3. a. Find the correlation coefficient between the height and the weight.

b. Construct the equation of the regression line.