A survey asked 1,264 women who were their most trusted shopping advisers. The survey results were as follows:
Shopping Advisers Percentage (%)
Advertising...............................................7
Friends/family..........................................45
Manufacturer websites.................................5
News media.............................................11
Online user reviews....................................13
Retail websites...........................................4
Salespeople...............................................1
Other....................................................14
a. Construct a bar chart, a pie chart, and a Pareto chart.
b. Which graphical method do you think is best for portraying these data?
c. What conclusions can you reach concerning women's most trusted shopping advisers?