A study was conducted to determine how people get jobs. The table below lists data from 400 randomly selected subjects. Choose the correct pie chart Job Sources Frequency O Help-wanted ads (H) 294 Help-wanted ads (H) Executive search firms (E) 42 Networking (N) Networking (N) 67 Executive search firms (E Mass mailing (M) Mass mailing (M) 12 300 O 250 200- 150 Help-wanted ads (H) 100 Executive search firms (E 50- Networking (N) H N E Mass mailing (M) O Help-wanted ads (H) Executive search firms (E Networking (N) Mass mailing (M) Compare the pie chart found above to the Pareto chart given on the left. Can you determine which graph is more effective in showing the relative importance of job sources? O A. Neither one is effective O B. The pie chart is more effective C. The Pareto chart is more effective