$1.$ Pareto Chart $(5$ marks$)$

A large number of successful entrepreneurs across Canada and the United States with companies that experienced $150\%$ growth on average for each of the first five years of operation were polled. The entrepreneurs were asked which one single attribute they felt had the greatest impact on their success. The chart below is a record of their responses.

A$)$ Prepare a Pareto analysis of the data collected from the entrepreneurs. $(3$ marks$)$

B$)$ What does this analysis reveal about the responses received? $(2$ marks$)$