A professor was interested in comparing how well her students performed on their midterm and final...

 

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A professor was interested in comparing how well her students performed on their midterm and final exams in her calculus course. She randomly sampled 7 students from her class and recorded their midterm and final exam grades which are shown in the table below. Midterm and Final Exam Grade Comparisons Student Student 1 X-Midterm Exam Y-Final Exam 59 76 Student 2 65 57 67 Student 3 92 93 Student 4 80 92 22 Student 5 56 66 Student 6 50. 68 Student 7 67 88 Use this information to calculate the slope of the least squares regression line. Make sure to type your answer as a decimal rounded to 3 decimal places. For example, if you thought the answer was 98.76543 then you would type in 98.765. A professor was interested in comparing how well her students performed on their midterm and final exams in her calculus course. She randomly sampled 7 students from her class and recorded their midterm and final exam grades which are shown in the table below. Midterm and Final Exam Grade Comparisons Student Student 1 X-Midterm Exam Y-Final Exam 59 76 Student 2 65 57 67 Student 3 92 93 Student 4 80 92 22 Student 5 56 66 Student 6 50. 68 Student 7 67 88 Use this information to calculate the slope of the least squares regression line. Make sure to type your answer as a decimal rounded to 3 decimal places. For example, if you thought the answer was 98.76543 then you would type in 98.765.

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To calculate the slope of the least squares regression line we first need to calculate the mean valu... View the full answer