Dr. Bahn is performing a study that involves gathering narrative descriptions from participants. Dr. Bahn is not taking measurements, but from the description it can be concluded that she is performing research.

What happens when two galaxies approach each other? a. they form a black hole. b. they merge because of the strong gravitational pull they exert on each other. c. they shred each other into smaller galaxies. d. they form a supernova. e. they repel each other away because of their strong gravitational pull.

Describe the relationship between bias and variability through an example. given that the proportion of all americans that believe president bush is doing a good job is 42%, you then conduct a series of 10 polls to confirm or refute this claim of 42%. describe your results a) there is high bias and high variability in your results. b) there is high bias and low variability in your results. c) there is low bias and high variability in your results. d) there is low bias and low variability in your results.

Can you graduate penn foster with returned assignments?