Choosing the right inferential statistic for your UV exposure and skin cancer research depends on your data format:
Categorical Data (UV exposure & Skin Cancer): Use a Chi-Square test to see if there's a link between the two categories.
Continuous Data (UV exposure) & Binary Data (Skin Cancer): Use logistic regression to model the odds of getting skin cancer at different UV exposure levels, while accounting for other factors.
Remember, sample size and multiple comparisons can influence your choice. Consulting a statistician is recommended to pick the best test and interpret your results accurately.