Question

Harris Interactive conducted a poll of U.S. adults in which the survey participants were asked, “When there is a voiceover in a commercial, which type of voice is more likely to sell me a car?” Results of the survey are in the bar graph.
(a) How many participants were in the survey?
(b) What is the relative frequency of the respondents who indicated that it made no difference which voice they heard?
(c) Redraw the graph as a Pareto chart.


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  • CreatedApril 27, 2015
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