a. Exact weights of quarters now in circulation in the United States b. Numbers of tosses of quarters required to get heads c. Responses to the survey question Did you smoke at least one cigarette in the last week? d. Numbers of spins of roulette wheels required to get the number 7 e. Exact foot lengths of humansf. Shoe sizes (such as 8 or 8 ) of humans

Chapter 1 Section 1 Variable-a characteristic/attribute that can assume different values Data- values that the variables can assume Population- all subjects undergoing a study Parameter- measure obtained from the population data Uses Greek Letters to categorize Sample- a group selected from the population, to make the study more concentrated...