i need help with thesee

3. Ms. Gill tracked the number of hours X Xy several students spend studying for a 10 7 unit. This unit counted towards 30% of the final mark. Summary of student 12 12 achievement is shown on the table to the 9 16 right. a)Complete the table below: [3 marks] 15 20 13 21 20 28 22 29 20 30 SX= Exy= I y'= b)Determine the equation of the line of best fit. Show all calculations. [2 marks] c) Determine the coefficient of determination (r?)[2 marks] d) Determine the correlation coefficient and state the type and strength of correlation. [1 marks]