A recent paper titled "Consumption of Ultraprocessed Food and Risk of Depression" studied a possible connection between processed foods and depression. The study included more than 31,000 middle-age white women and found that those who ate more processed foods had about a 50% greater risk of depression. Source: https://www.ewg.org/news-insights/news/2023/09/new-study-finds-possible-link-between-ultra-processed-foods-and 1. (3 pt) Is this an experiment or an observational study? Explain your answer. 2. (3 pt) What is the population of this study? 3. (3 pt) What is the population parameter for this study? (What are the researchers trying to determine?) 4. (3 pt) What is the sample in this study? 5. (3 pt) What is the sample statistic