Final answer:
The data provided indicates that there is a presence of sexism in the workplace based on the difference in promotion recommendations between male and female employees.
Step-by-step explanation:
This question falls under the subject of Social Studies in the context of workplace discrimination based on gender. The data provided in the question is a result of an investigation into whether or not sexism was present in the workplace.
The data shows that out of the 48 male bank supervisors who were given personnel files labeled as either Male or Female, a higher proportion of males recommended promotion for male employees compared to female employees. This suggests the presence of sexism in the workplace. Specifically, 21 out of 24 male supervisors recommended promotion for male employees, while only 14 out of 24 male supervisors recommended promotion for female employees.