Differences between Arab cultures in which people tend to stand closely together when speaking and North American cultures in which people carry on conversation at a distance of eighteen to thirty-six inches are differences in _________

Younger radio listeners are becoming increasingly comfortable with digital and streaming content

A. TRUE B. FALSE

A researcher surveyed 1500 people in a national random sample and found that 53% of the voters surveyed reported they will vote for Barack Obama. She claims that she is 68% confident that the population mean will be between 51% and 55%. This means the confidence level would be ________

a. 68% b. 4% c. 95% d. between 51% and 55%