You collected data of the movies watched by your classmates in the month of March. You want to present these data in a graph to your fellow researchers, what graph could you use? Check all that apply. Polygon Distribution table Histogram Bar graph A research team is assessing the role of pet ownership on stress levels. They recruited three different groups of participants: participants who don't have pets, participants who have owned a cat for at least a year, and participants who have owned a dog for at least a year. Their stress levels were assessed over the course of a week. What type of research design best describes this study? 0 Observational 0 Experimental 0 Quasi-experimental O Correlational Which data point is being represented in the following stem-and-leaf plot? 249 1247 245556