A SAIS student and statistics nerd wants to determine the best neighborhood to spend a night out. This student conducts a survey of two neighborhoods and ranks their respective bars on how cool they are, the coo]ness scale they use is 0 to 10. The iesult of the survey is below: STDev.S STEDev.S I Assume that the \"coolness ranking\" of the bars is normally distributed. Calculate a 80 percent condence interval for the difference between the average coolness ranking for bars in Adams Morgan and Dupont (8 points)