Below Is a Description of a Research Situation Encountered in the Social

Short Answer

Below is a description of a research situation encountered in the social sciences. Based on the information provided, indicate the appropriate statistical procedure for testing the significance of differences or strength of correlation.
High-income earners argue that they are already paying enough taxes. To test this claim, a sample of 100 high-income and 100 low-income taxpayers are asked to report their annual income and annual tax payment. A value for "percentage of income paid in taxes" is calculated for each individual. How best can one test the difference between these two samples?