Venn Diagram.

3. The 120 employees of a company are classified according to whether or not they are: - skilled, S, or unskilled - female, F, or male .employed on the production line, P, or not. Group Number of workforce |% of total salary bill F 57 43 P 70 67 S 18 20 FOP 21 26 FnS 8 SOP 8 4 FOPns X (unknown) Y (unknown) The table gives the number of employees which fall into each group identified and also the percentage of the total salary bill paid to each group