I agree with you because you explain well when to use Pearson, Spearman, and Chi-square tests. You also talk about the important conditions for each test. I like that you say Pearson needs normal and continuous data, and Spearman is more flexible. However, I think you could add more about what kind of relationship each test measures, like the difference between linear and monotone relationships. Also, I wonder if it is always easy to know if the data is normal before choosing the test. What would you do if the data does not meet the rules?