HCM 213 Mind on Statistics Chapter 5

Question: What proportion of people intends to vote in the next presidential election? Sample: 100 baseball fans at a baseball game. Population: All voters in the next presidential election. A. Representative B. Not representative KEY: B 2. Question: What is the average age of people in Salt Lake City? Sample: 10 people picked randomly from all people living in Salt Lake City. Population: All people living in Salt Lake City. A. Representative B. Not representative KEY: A 3. Question: What is the average number of letters on a page in Webster’s unabridged dictionary? Sample: The first page for each of the 26 letters in the alphabet. Population: All pages in the dictionary. A. Representative B. Not representative KEY: B 4. Question: What is the average daily number of hours of sleep over a one year period? Sample: Hours of sle