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.
-The p-value for the simulation-based hypothesis test is less than 0.001. What is the appropriate conclusion?
A) We have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero.
B) We have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon.
C) We do not have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero.
D) We do not have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon.

Question

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.  
-The p-value for the simulation-based hypothesis test is less than 0.001. What is the appropriate conclusion?
A) We have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero. 
B) We have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon. 
C) We do not have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero. 
D) We do not have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon.

Quizplus · Accepted Answer

The Answer of 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.  
-The p-value for the simulation-based hypothesis test is less than 0.001. What is the appropriate conclusion?
A) We have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero. 
B) We have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon. 
C) We do not have strong evidence that the difference between the proportion of used textbooks that are cheaper at Amazon and the proportion that are cheaper at the UCLA bookstore (UCLA - Amazon) is greater than zero. 
D) We do not have strong evidence that, on average, the price of a used textbook purchased from the UCLA bookstore is more than the price of a used textbook purchased from Amazon.

The Following Summary Statistics and Two Dotplots Display Data on 64