The following two data sets are part of a larger data set from Scanlon, T.J., Luben, R.N. Scanlon, F.L. Singleton, N. (1993), "Is Friday the 13th Bad for Your Health," BMJ, 307. XXXXXXXXXXThe data...

The following two data sets are part of a larger data set from Scanlon, T.J., Luben, R.N. Scanlon, F.L. Singleton, N. (1993), "Is Friday the 13th Bad for Your Health," BMJ, 307. 1584-1586. The data analysis in this paper addresses the issues of how superstitions regarding Friday the 13th affect human behavior. Scanlon. et al. collected data on shopping patterns and traffic accidents for Fridays the 6th and the 13th between October of 1989 and November of 1992. (i) The first data set is found on line at

http://lib.stat.cmu.edu/DASL/Datafiles/Fridaythel3th.html

The data set lists the number of shoppers in nine different supermarkets in southeast England. At the level Q = 10%. test the hypothesis that "Friday 13th" affects spending patterns among South Englanders.

(ii) The second data set is the number of patients accepted in SWTRHA hospital on dates of Friday 6th and Friday 13th. At the level cy = lo%, test the hypothesis that the “Friday 13th” effect is present.