Mrs. Crabapple has a class with three students, and she has had four quizzes so far this semester. She has created contr

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Mrs. Crabapple has a class with three students, and she has had four quizzes so far this semester. She has created contr

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Mrs Crabapple Has A Class With Three Students And She Has Had Four Quizzes So Far This Semester She Has Created Contr 1
Mrs Crabapple Has A Class With Three Students And She Has Had Four Quizzes So Far This Semester She Has Created Contr 1 (44.35 KiB) Viewed 35 times
Mrs. Crabapple has a class with three students, and she has had four quizzes so far this semester. She has created control charts to determine if the variation in students' scores from quiz to quiz is exhibiting only natural variation. Each of the quiz scores are shown below. The upper and lower control limits for the x-bar chart are 109.6 and 34.9, respectively. The upper and lower control limits for the R chart are 93.95 and 0, respectively. Quiz Bart Lisa Nelson 1 75 100 5 2 62 82 72 3 90 90 90 4 60 86 10 ... Is the process in control? A. No O B. Yes O O
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