(a) Using the double-bar graph shown in the figure, we can estimate the number of female workers in Sales. The bar reaches some height in the middle of 200 to 250, so we can estimate 225.
(b) Checking the bars, we must select those departments where the gray bar is higher than the red bar.
If happens in.
Advertising
Sales
(c) Counting up the total employees per department, we have that:
Advertising has 150+175=325
Sales has 200+225=425
Production has 250+225=475
Accounting has 240+210=450
Answer: Production