Homework Answers
solution:-
(a)
statistics test score
given that mean = 65 , standard deviation = 7.0
z = (72 - 65)/7.0
z = 1
biology test score
given that mean = 22 , standard deviation = 3.7
z = (27 - 22)/3.7
z = 1.35
(b) option A.on the biology test the student had a
better score
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