Question

will fan, medal, and testimonial..

Answer 1

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 90 100
85 90 90
87 85 94
92 84 100
86 91 75
90 78 84
94 94 94
100 86 72
75 82 85
70 78 87
85 86 72
38 78 100
72 95 90
94 90 94
82 88 60
________________________________________
Question 1
Analyze the data for Class A and Class B.
• Part 1: What is the mean and standard deviation for Class A and B? The mean of Class A is 85 and the mean of Class B is 86. The standard deviation of class A is
• 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?

Answer 2

refresh to make question marks go away :P i already did part 1

Answer 3

http://www.mathsisfun.com/data/standard-deviation.html

Answer 4

...k

Answer 5

I have never done standard deviation but the website seems very thorough