1. In a college of 1000 girls, the dean wanted to choose a sample of 30 girls to represent the whole school. She wanted to determine average height. Which survey would get the best results? A. Choose 30 gymnasts at the school. B. Choose every third girl out of 100 randomly selected names. C. Choose 30 girls on the basketball team. D. Choose 30 girls in the cafeteria at noon. Hint 2. A sample should be ______. A. less than ten in the general population B. half the size of the population C. representative of the general population D. not representative of the general population Hint 3. Which sample would provide the best data for a survey about favorite extra-curricular activities? A. Students attending a Spanish Club meeting. B. Members of the tennis team. C. A random sample of students from 5 different homerooms. D. Participants at swim practice. Hint 4. The week before an election, a telephone poll was conducted to see how registered voters would vote for Issue 1. The table shows the results of the five-day poll. What percent of registered voters said they would vote yes on Issue 1? A. 41.95% B. 58.05% C. 76% D. 67% Hint 5. To determine if a certain assembly line is producing quality radios, an employee checks every thirtieth radio leaving the assembly line. Describe the sample used by the employee. A. The sample is unbiased because it is a systematic random sample. B. The sample is biased because it is a convenience sample. C. The sample is unbiased because it is a stratified random sample. D. The sample is biased because it is a voluntary response sample. Hint