QUESTION 1 PART 1 25 Marks Shemica and Troy have been inseparable since their first year at Utech. Now in their third year they need to select courses. They have come across a study of seven (7) students in a particular course/module. The results list below shows the Final exam grade and the number of absence from that course. Final Exam Grade 85 80 70 55 90 90 95 Number of Absences 1 0 2 6 4 3 3 USE EQUATIONS and MANUAL CALCULATIONS to answer the following question. a) Develop the least square estimated regression equation 6 marks b )Shemica lives all the way in Annotto Bay and believes she will miss four(4) classes for the semester. Based on this model can she get an A if she chooses this course. 4 marks c) Describe the relationship between the variables 5 marks d) Troy does not believe in this model and is trying to persuade Shemica not to trust the model if she wants to get a good grade. Do you agree with him and Why. 5 marks e) What percentage of the variation in exam grades have nothing to do with the number of absences 3 marks f) Name two (2) factors that Troy can use to persuade Shemica. E.g some students in the study maybe repeating the course etc. 2 marks QUESTION 1 PART 1 25 Marks Shemica and Troy have been inseparable since their first year at Utech. Now in their third year they need to select courses. They have come across a study of seven (7) students in a particular course/module. The results list below shows the Final exam grade and the number of absence from that course. Final Exam Grade 85 80 70 55 90 90 95 Number of Absences 1 0 2 6 4 3 3 USE EQUATIONS and MANUAL CALCULATIONS to answer the following question. a) Develop the least square estimated regression equation 6 marks b )Shemica lives all the way in Annotto Bay and believes she will miss four(4) classes for the semester. Based on this model can she get an A if she chooses this course. 4 marks c) Describe the relationship between the variables 5 marks d) Troy does not believe in this model and is trying to persuade Shemica not to trust the model if she wants to get a good grade. Do you agree with him and Why. 5 marks e) What percentage of the variation in exam grades have nothing to do with the number of absences 3 marks f) Name two (2) factors that Troy can use to persuade Shemica. E.g some students in the study maybe repeating the course etc. 2 marks