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 classified in the following ways:

Excellent Good Fair

while the age of the graduates was classified according to the following modalities: 25 but under 35 35 but less than 45 years old 45 and over

The chi-square calculation gives X2 = 55.25. Quantify the strength of the association between scores on the Management Knowledge test and age of graduates using Cramer's V.

0,239 0,263 0,219 0,171 0,292