A study was conducted to determine how people get jobs The table below lists data from 400 randomly selected subjects Job Sources Help wanted ads H Executive search firms E Networking N Mass mailing M 300 250 200 150 100 50 0 ENMH Frequency 23 290 66 43 O O Help wanted ads H Executive search firms E Networking N Mass mailing M Help wanted ads H Executive search firms E Networking N Mass mailing M Executive search firms E Networking N Mass mailing M Help wanted ads H 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 A The Pareto chart is more effective