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A study was conducted to determine how people get jobs. The table below lists data from Choose the correct pie chart. 400 randomly selected subjects. O Job Sources Frequency Help-wanted ads (H) 295 Help-wanted ads (H) Executive search firms (E) Networking (N) Networking (N) Executive search firms (E) Mass mailing (M) Mass mailing (M) 300- 250- 200- Help-wanted ads (H) 150- Executive search firms (E) 100- 50- Networking (N) 0- Mass mailing (M) HN EM 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. The Pareto chart is more effective. O B. Neither one is effective. O C. The pie chart is more effective