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Matched pairs 2017-12-13
Lin pose la question :

PLEASE HELP WITH THIS VERY DIFFICULT STATISTICS QUESTION(the process would really help)
Imagine you and your 4 study group partners are interested in whether all
those hours you spent together working on statistics problems for midterm
exam 2 actually helped your group's performance on that exam relative to its
performance on the first midterm exam. Suppose the first and second midterm
grades were as follows:
Is there sufficient evidence (at a = :05) to conclude that the group performed
better on midterm 2? Please provide all your calculations.

  midterm 1 midterm 2
A 25 28
B 20 19
C 15 21
D 16 25
E 20 22

Penny Nom lui répond.
 
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