1 Tattoos A study by the University of Texas Southwestern Me

1. Tattoos: A study by the University of Texas Southwestern Medical Center examined 626 people to see if an increased risk of contracting hepatitis C was associated with having a tattoo. If the subject had a tattoo, researchers asked whether it had been done in a commercial tattoo parlor or elsewhere.

a. Create a contingency table for the bivariate data set.

b. Create pie charts for “Location” and “Has Hepatitis C”

c. What percent has Hepatitis C and what percent do not have Hepatitis C?

d. What percent had done their tattoos in Commercial parlor and what percent had it done elsewhere?

e. If the Tattoo was done in a commercial parlor, what percent has Hepatitis C?

f. Write a brief description of the association between tattooing and hepatitis C.

There is a total of 626 lines of data in the chart below

Solution