Emily is a Nutrition's student. She is working on a study to find the link between the obesity rate in different countries with the following factors: average household income,and average educational level. The suggested solution was something like this.
Jacob is a real-estate agent. He wants to study the most profitable regions in a certain city, to invest in a property. He must study the history of sale price and other factors. The suggested solution was something like this.
Lily is a teacher who wants to compare the students performance in two different semester to compare their progress in three different subjects. The suggested solution was something like this.