Grading using \"The Curve\" When grading using \"the curve". the percentages are as follows: A: Top 10% of scores B: Scores between Pm and P90 0: Middle 40% (scores between P30 and P70) D: Scores between P10 and Paul F: Bottom 10% of scores QLASS #1: Suppose that the exam grades for Class #1 are as follows: a) Using the mean and standard deviation above and StatCrunch, determine \"the curve" cutoffs. Ftound these test grade cutoffs to one decimal. Label them underneath the curve. Test Grades ) b) Use the picture you created in part (a) to fill in the chart below with the new range of scores for each letter grade under this plan. Then, look at the 30 test grades and count how many test grades would fall in each letter grade based on the new scale. Letter Grade Range of Scores Number of Tests QLAS #2: Suppose that the exam grades for Class #2 are as follows: mum mmummumu y:81.1 :7 =11.1 c) Using the mean and standard deviation above and StatCrunch, determine \"the curve\" cutoffs. Round these test grade cutoffs to one decimal. Label them underneath the curve. Test Grades -) d) Use the picture you created in part (c) to fill in the chart below with the new range of scores for each letter grade under this plan. Then, look at the 30 test grades and count how many test grades would fall in each letter grade based on the new scale. Letter Grade Range of Scores Number f T933 A B Flnal uestion: Write a paragraph explaining whether or not you think \"Grading using the Curve\" is fair and WHY. Consider how the grades were affected in BOTH classes. Give a statistical argument, don't just give your \"feelings". Use complete sentences and proper grammar