14.69 Downsizing is one method companies may use in an attempt to reduce costs. Suppose that the following contingency table shows the number of layoffs in three manufacturing plants during the last 4 months and the length of service (in months) by those employees that were laid off. Is there any relationship between theses two variables?

Company Months of Service A B C Less than 6 months 13 30 15 6 months to 1 year 15 11 10 More than 1 year 10 9 4