use grade 12 methods

Thinkin 10 Ms. Gill tracked the number of hours several students spend studying for a unit. This unit counted towards 30% of the final mark. Summary of student achievement is shown on the table to the right. a)Complete the table below: [3 marks] b)Determine the equation of the line of best fit. Show all calculations. [2 marks] c) Determine the coefficient of determination (r2}[2 marks] d) Determine the correlation coefficient and state the type and strength of correlation. [1 marks]