As one part of a review of middle-manager selection procedures, a study was made of the...

As one part of a review of middle-manager selection procedures, a study was made of the relation between hiring source (promoted from within, hired from related business, hired from unrelated business) and the 3-year job history (additional promotion, same position, resigned, dismissed). The data for 120 middle managers follow.

a. Calculate job-history percentages within each source.

b. Would you say that there is a strong dependence between source and job history?