Determine if each scenario is a sample survey, observational study, or experiment.

6. Find 100 women age 30 of which 50 have been smoking a pack a day for 10 years while the other 50 have been smoke free for 10 years. Measure lung capacity for each of the 100 women. Analyze, interpret, and draw conclusions from data. 7. A social scientist studying a rural community wants to determine whether gender and attitudes toward abortion are related. Using a telephone survey, 100 residents are contacted at random and their gender and attitude toward abortion are recorded. 8. A researcher wants to know if a soil additive makes a fern grow more quickly. He grows one specimen in treated soil and one in untreated soil. 9. To find out whether car accidents are more likely on rainy days, a researcher records the weather conditions during 50 randomly selected accidents for the past year. 10. A randomly selected group of students is selected to shoot a series of baskets using a normal regulation colored basketball. Data is recorded. The same students are then asked to shoot the same series of baskets using a blue basketball. Data is recorded. Analysis is performed