No hands! Students from Hunter College in New York City
Chapter 5, Problem 5.35(choose chapter or problem)
No hands! Students from Hunter College in New York City carried out an observational study of driver behaviors at 50 diff erent intersections. Of the 3120 drivers they observed, 23% were talking on cell phones. (a) In national surveys of driver behavior, well over half of those surveyed admit that they regularly talk on cell phones while driving. Give at least two reasons why the Hunter College study gave such diff erent results. (b) If the Hunter College students had observed twice as many drivers, would the percent of drivers talking on cell phones have been about the same as the results from national surveys? Why or why not?
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