The table shows a group of students' grade 12 calculus marks and first year university marks....

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The table shows a group of students' grade 12 calculus marks and first year university marks. Half took a summer prep course. Yes Prep. No Prep. Grade 12 First Year Grade 12 First Year 80 77 77 65 70 72 74 68 92 86 68 60 84 84 70 64 85 84 81 72 10. a) Create a scatter plot that compares first year marks to grade 12 marks. b) Perform a linear regression. Interpret the correlation coefficient. c) Was the summer prep course helpful? 11. a) Create a contingency table and side-by- side box plots or a pivot table and pivot chart to compare the two groups. b) Use summary statistics to determine if the summer prep course is helpful. 12. a) Use a bubble plot or a legend attribute to compare the two groups. b) Does the graph show that the prep course is helpful? Explain. The table shows a group of students' grade 12 calculus marks and first year university marks. Half took a summer prep course. Yes Prep. No Prep. Grade 12 First Year Grade 12 First Year 80 77 77 65 70 72 74 68 92 86 68 60 84 84 70 64 85 84 81 72 10. a) Create a scatter plot that compares first year marks to grade 12 marks. b) Perform a linear regression. Interpret the correlation coefficient. c) Was the summer prep course helpful? 11. a) Create a contingency table and side-by- side box plots or a pivot table and pivot chart to compare the two groups. b) Use summary statistics to determine if the summer prep course is helpful. 12. a) Use a bubble plot or a legend attribute to compare the two groups. b) Does the graph show that the prep course is helpful? Explain.