Evans, Mackenzie M’mata, Titus Kibua, and Richard Tinega. “Use of Contingency Tables to Investigate the Association of Gender, Type of Primary School, KCPE Results and KCSE Results in Mathematics”. The International Journal of Humanities & Social Studies 3, no. 12 (December 31, 2015). Accessed July 23, 2024. https://internationaljournalcorner.com/index.php/theijhss/article/view/139146.