To determine the gender balance of various job positions the personnel department of a large firm took a sample of employees from three job positions. The three job positions and the gender of employees from the sample are shown in Table 12.17. Is job type independent of gender? If so, describe the nature of the difference.

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Table 12.17 Gender and job positions. Job Position Males Females Accountant 60 Secretarial 10 Executive 628 20 90 20 20