A study was conducted to determine how people get jobs. The table below lists data from 400 randomly selected subjects. Job Sources Frequency Help dash wanted ads left parenthesis Upper H right parenthesis 73 Executive search firms left parenthesis Upper E right parenthesis 49 Networking left parenthesis Upper N right parenthesis 21 Mass mailing left parenthesis Upper M right parenthesis 298 A Pareto chart with horizontal axis labeled from left to right with the letters Upper M, Upper H, Upper E, and Upper N and vertical axis labeled from 0 to 300 in intervals of 50 contains four vertical bars. The approximate heights of the vertical bars are as follows: Upper M, 300; Upper H, 75; Upper E, 50; Upper N, 20. M H E N 0 50 100 150 200 250 300 . . . Question content area right Part 1 Choose the correct pie chart. A pie chart contains four sectors with labels and approximate sizes as follows: "Help dash wanted ads left parenthesis Upper H right parenthesis," 16% of the circle; "Executive search firms left parenthesis Upper E right parenthesis," 12% of the circle; "Networking left parenthesis Upper N right parenthesis," 4% of the circle; "Mass mailing left parenthesis Upper M right parenthesis," 68% of the circle. Help-wanted ads (H) Executive search firms (E) Networking (N) Mass mailing (M) A pie chart contains four sectors with labels and approximate sizes as follows: "Help dash wanted ads left parenthesis Upper H right parenthesis," 68% of the circle; "Executive search firms left