MS 150 Statistic Quiz 4 Spring 2005 1 0.5 What is the probability of a heads on a toss of a Sacagawea dollar? 2 0.167 What is the probability of rolling a three on a six-sided die numbered from one to six? 3 0.5 What is the probability of rolling an even number on a six-sided die numbered from one to six? 4 0.125 What is the probability of rolling a three on an eight-sided die numbered from one to eight? 5 median What should be used to report the "middle" of a discrete distribution using ordinal level data? 6 mean What should be used to report the "middle" of a set of measurements of the distances people travel to buy baked bread products? 7 [variable] What is underreporting? 8 sphere/ball* What was the shape suggested for a one-sided die? 9 Optional bonus round: What is the name of the baby on the Sacagawea dollar? 10 History buff genius round: Why was the baby critically important to the mission Sacagawea was on, and hence the baby was included on the coin? *circle or round are too non-specific. A coin is round but not one-sided. Same is true for circle. Notes:Given that the first four questions were identical to last term's quiz, performance was unexpectedly poor. Quiz provides evidence of a general lack of studying, a number of students simply trying to coast through the course.