What are the differences between standard normal curve and Below are final exam scores of 20 Introductory Statistics students. 57 66 69 71 72 73 74 77 78 78 79 79 81 81 82 83 83 88 89 94 The mean score is 77.7 points and the standard deviation is 8.44 points. Do the exam scores approximately follow the 68-95-99.7% Rule? How can you decide? curve?Provide one similarity and two differences between the CLT for the mean and the CLT for the sum