1. A student notices fewer robins in her yard during the winter. 2. She thinks that some robins must migrate in the winter. 3. She counts the robins in her yard once a week for 2 years 4. She finds that there are about half as many robins in her yard in the winter as in the summer. 5. Her research has shown that some robins are not in her yard during winter. Which statement best describes her hypothesis? O A student notices fewer robins in her yard during the winter. O She thinks that some robins must migrate in the winter. She counts the robins in her yard once a week for 2 years. O Her research has shown that some robins are not in her yard during winter. 16 17​