Researchers at Mercy Birthing Hospital are conducting a study to determine what percent of expectant mothers intend to give birth at home. The researchers asked 75 expectant mothers in their third trimester, and 22% said that they intended to give birth at home. 1. Is this an experiment or an observational study? Explain your answer.

2. What is the population of this study?

3. What is the population parameter for this study? (What are the researchers trying to determine?)

4. What is the sample in this study?

5. What is the sample statistic?