Below is data from a survey showing the health status of those who have and have not visited hospital in recent years. What types of data are in the table (discrete, continuous, categorical etc)? Interpret the table. Can the survey tell you if attending hospital affects health? (you are not expected to carry out formal tests or confidence intervals.) What other information might help you to analyse the data?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.