1. A study by the University of Texas Southwestern Medical Center examined 626 people to see if there was an increased risk of contracting Hepatitis C 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. Here are the results. | | Tattoo in com. Parlor | Tattoo done elsewhere | No tattoo | | :--- | :---: | :---: | :---: | | Has Hep C | 17 | 8 | 18 | | No Hep C | 35 | 53 | 495 | (a) What percentage of folks who did not have hepatitis C did not have a tattoo? (b) What percentage of folks who got a tattoo in a commercial parlor have hep C? (c) Draw a picture (a side by side or segmented bar chart using percentagesnot counts!) that describes the association between tattooing and hepatitis C.
Added by Michael A.
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It seems like the data is not well-formatted, but we can try to understand it: - Commercial Parlor Tattoo (CPT) - Tattoo done elsewhere (TDE) - No Tattoo (NT) - Has Hepatitis (Hep) - No Hepatitis (NoHep) Now, let's try to find the number of people in each Show more…
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Tattoos A study examined 635 people to see if an increased risk of contracting hepatitis $\mathrm{C}$ 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. Write a brief description of the association between tattooing and hepatitis $\mathrm{C}$, including an appropriate graphical display. $$ \begin{array}{|l|c|c|c|} \hline & \begin{array}{c} \text { Tattoo Done in } \\ \text { Commercial Parlor } \end{array} & \begin{array}{c} \text { Tattoo Done } \\ \text { Elsewhere } \end{array} & \text { No Tattoo } \\ \hline \text { Has Hepatitis C } & 19 & 5 & 15 \\ \text { No Hepatitis C } & 39 & 59 & 498 \end{array} $$
David N.
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. Write a brief description of the association between tattooing and hepatitis C, including an appropriate graphical display. (Table Can't Copy)
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