Mrs. Smith has taught three, Algebra I classes this year. She just finished grading her final chapter test for the second semester. The raw data is below:
Class A

Class B

Class C

80 72 100
85 90 90
87 85 94
92 84 100
86 91 75
90 78 30
94 94 94
100 86 72
75 82 85
45 78 87
85 86 42
38 78 100
72 95 90
94 90 94
62 88 60

Question

Mrs. Smith has taught three, Algebra I classes this year. She just finished grading her final chapter test for the second semester. The raw data is below:
Class A

Class B

Class C


80 72 100 
85 90 90 
87 85 94 
92 84 100 
86 91 75 
90 78 30 
94 94 94 
100 86 72 
75 82 85 
45 78 87 
85 86 42 
38 78 100 
72 95 90 
94 90 94 
62 88 60

anonymous · Answer

Analyze the data for Class A and Class B. 
Part 1: What is the mean and standard deviation for Classes A and B? 
Part 2: Make a box plot of the data for Classes A and B. Identify the median, first and third quartiles, minimum and maximum data points.
Part 3: Explain how the values for Classes A and B vary about the mean and median. What information does this give Mrs. Smith?