The following summary statistics and two dotplots display data on 64 used textbooks. The price of each used textbook was recorded from the University of California, Los Angeles (UCLA) campus bookstore and from Amazon.
-You would like to determine whether the prices of used textbooks purchased from the UCLA bookstore are, on average, higher than the prices of used textbooks purchased from Amazon. What would be the null and alternative hypotheses using appropriate notation?
A) versus
B) versus
C) versus
where d is the difference UCLA - Amazon
D) versus
where d is the difference UCLA - Amazon
Correct Answer:
Verified
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