Which of the following is the proper set of hypotheses? a. H0: uCampus - uChegg = 0, H1:uCampus - uChegg > 0 b. H0: uCampus - uChegg = 0, H1:uCampus - uChegg <0 c. H: uD = 0, H1:uD >0
It is theorized students can save money buying textbooks online rather than at the bookstore. A random sample of 10 books was selected. The prices for these books at both a local book store and through Chegg.com were records. THe prices for the books were entered into a file as follows:
Campus Books Chegg
120 100
150 85
And so on.
Which of the following is the proper set of hypotheses?
a. H0: uCampus - uChegg = 0, H1:uCampus - uChegg > 0
b. H0: uCampus - uChegg = 0, H1:uCampus - uChegg <0
c. H: uD = 0, H1:uD >0
Since it is an example of paired sample where the price of the same book has been recorded in Offline store and online mode
Given :
Campus Books Chegg
120 100
150 85
And so on.
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