Ajet flew at an average speed of 480 mph from point x to point y. because of head winds, the jet averaged only 460 mph on the return trip, and the return trip took 30 minutes longer. how many hours was the flight from point y to point x? how far is it from point x to point y?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.