A researcher wishes to test whether two populations mean are

A researcher wishes to test whether two populations mean are different. If he uses two dependent samples, which of the following would be the correct alternative hypothesis?

(e) Either (b) or (d) could be used as the alternative hypothesis

(f) None of the above

Solution

A researcher wishes to test whether two populations mean are different. If he uses two dependent samples, the correct alternative will be d0, where d is the difference of scores between the two dependent samples.