Could mud wrestling be the cause of a rash contradicted by Washington State Univ
ID: 3435860 • Letter: C
Question
Could mud wrestling be the cause of a rash contradicted by Washington State University students in the spring of 1992? Physicians at the WSU student health center wondered this when one male and six females complained of rashes after participating in a mud wrestling event. Questionnaires were sent to all students in the residence halls that participated in the event. The questionnaire asked about the appearance of a rash and about attendance at the event. The results are summarized below:
What is the p-value for the chi-square statistic?
A) between 0.05 and 0.01
B) larger than 0.10
C) between 0.10 and 0.05
D) less than 0.01
E) between 0.001 and 0.01
Please explain and show your work.
Men Women Developed Rash 12 12 No Rash 38 12Explanation / Answer
The chi-square statistic is 5.0024. The P-Value is 0.025312. The result is significant at p < 0.01.
Hence D) less than 0.01 is answer.
Results Men women Row Totals yes for rash 12 (16.22) [1.10] 12 (7.78) [2.28] 24 no for rash 38 (33.78) [0.53] 12 (16.22) [1.10] 50 Column Totals 50 24 74 (Grand Total)