Question: check if the answer is correct: The question: The Answer: Task 4 1-Var Stats Here are the Chapter 1 Test scores for 80 of the

check if the answer is correct:

check if the answer is correct: The question: The Answer: Task 4

The question: The Answer: Task 4 1-Var Stats Here are the Chapter 1 Test scores for 80 of the current AP Statistics students X=79.7 Ex=6376 Ex2=514100 70 83 93 93 85 80 83 72 SX=8. 665952583 78 87 87 87 76 89 78 65 ox=8. 611620057 n=80 78 80 80 89 76 59 65 78 minx=57 78 80 87 93 76 91 78 87 Q1=76 Med=80 91 85 76 85 78 65 65 83 Q3=87 87 80 91 85 80 80 87 maxx=93 70 83 78 80 78 83 76 80 80 93 83 83 85 74 57 12 63 83 76 83 67 76 59 89 Mean + 1 SD: 71 to 88.37 57out of 80-71-3% 61 87 83 89 89 78 87 85 Mean + 2 SD: 62-34to 97 79 out of Bo = 98:5% Is the distribution of Chapter 1 Test scores approximately normal? Justify your answer using Mean + 3 SD- 52 7to 105 . 7 80 out of80 =100 % several different approaches. The group with the most convincing argument will win a prize. The distribution can be considered roughly normal cause its percentage is closer to 68%, 95%, and 99.7%

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