Dr Gore Believes That People Who Live in Regions That

Dr. Gore believes that people who live in regions that have been impacted by multiple, severe storms or related natural disasters like flooding are more likely to report that climate change is serious concern to them than are people who live in regions that have not been impacted. Using National Weather Service data on storm severity, she categorizes people as living in regions impacted by at least one such storm in the five years or no such storms and then looks at the percentage of people who rate climate change as a serious concern based on where they live. Dr. Gore has most likely arranged the data in a(n)  

A) cross-tabulation.
B) pie chart.
C) analytic graph.
D) list, in order of magnitude.