20. A multinational company wanted to statistically verify if there was a link between the age of its management graduates and their knowledge in Management and Human Resources Management. A battery of tests was administered to 400 employees with management degrees to test their theoretical and practical knowledge. The results were then tabulated in a contingency table; the test scores were ranked as follows Excellent 25 but under 35 Good 35 but less than 45 years old Fair 45 and over while the age of the graduates was classified according to the following modalities:

Chi-square calculation gives X2 = 23.45. Quantify the strength of the association between the scores on the Management Knowledge test and the age of the graduates at Management and the age of graduates using Cramer's V. 0.219 0.292 0.171 0.239 0.263