Presentation, communication and dissemination of vital statistics
If you have two sets of data and you want to illustrate their relationship, a scatter plot is recommended. This type of chart is a powerful way to identify relationships and identify outliers. However, scatter plots are generally used more for data analysis than presentation. Scatter plots become easier to interpret if the line of best fit is drawn.
Saurabh S, Sarkar S, Pandey DK. Female literacy rate is a better predictor of birth rate and infant mortality rate in India. J Family Med Prim Care 2013.