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7. The table below provides the number of hours spent studying and math grade data for the students in data management class. Hours Spent Studying Math Grade 4 80 8 95 7 85 5 80 4 75 8 90 3 75 5 85 7 90 a) Create a scatter plot, and draw the line of best fit. [3] b) Find the correlation coefficient. [3] c) Classify the linear correlation based on the value found in (b). [1] d) Use linear regression to determine the equation of the line of best fit. [4] e) What grade is predicted for a student who studied 6 hours? [1] f) Based on this survey, how long must a student study to achieve a grade of 957 [1] g) What type of causal relationship is present in this situation? Justify your answer. [3]