Thirty-five fourth-grade students were asked the traditional question "what do you want to be when you grow up". The responses are summarized in the following table:
Employment Frequency Relative Frequency
Teacher 8 0.229
Doctor 6 0.171
Scientist 3 0.086
Police Officer 9 0.257
Athlete 9 0.257
a. Construct a pie chart for relative frequencies
b. Construct a bar graph for the relative frequencies
c. Construct a pareto chart and explain the finding