What are some ways that bias can influence research?

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.