Could mudwrestling be the cause of a rash contracted by University of Washington students in the spring of 1992'? Two phvsicians at the University of 1iill-"ashington student health center wondered this when one male and six female students complained of rashes aer participating in a mudwrestling event. lQuestionnaires were sent to all students in the residence halls 1ivho participated in the event. The questionnaire asked about the appearance of a rash and about attendance at the mudwrestling event. The results= by gender, are sunnnarized in the follovving table: Gender Develo ed rash\".1 Female Male Yes I 2 l 2 No l 2 38 The SPSS output for the above table is given belovv. The output includes the cell counts, the expected cell counts, the chisquare statistic, and its degrees of freedom. Expected counts are printed below observed counts: Developed Rash? ' Gender Cl'esstaliulatien Total Developed Yes Count 12 12 24 No Count 12 38 5|] Count 24 5|] T4 Chisquare = 2.239 +1.093 +1.09E + 1152?: 5.002 df= 1: Pvalue = 0.0253