describe Understanding the basics of epideomology and biostatistics.
1. describe the following data relates to an unusual episode when the SS Titanic sank in the early twentieth century.
Define the epidemiological features of this episode (Hint - consider crude rates, socio-economic specific rates, gender rates, etc. and any comparisons that are evident)
2. In which superior circumstances can cross-sectional surveys be used to test hypotheses? In your answer concisely describe the features of a cross-sectional study.
3. Case-control studies can be of an advanced quality than a prospective cohort study. Describe why you agree or disagree with this statement.