Marmolejo-Ramos, Fernando, and Tian Siva Tian. “ A Boxplot Based on Essential Summary Statistics Around the Mean”. International Journal of Psychological Research 3, no. 1 (June 30, 2010): 37–45. Accessed November 22, 2024. https://revistas.usb.edu.co/index.php/IJPR/article/view/823.