A teacher calculates for the test grades in Class A, mean = 32 and sd = 4 Class B, mean = 32 and sd = 8 a. If the teacher was going to guess what any student in his/her class would earn, what is the best score to guess? b. Which of the classes has more consistency in their scores? Why?

no i do not : ( what is it?

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.