What are the commonly used analysis methods for data analysis?

Before data analysis, there are usually specific scenarios and purposes, and sometimes the analysis method can be selected according to the analysis purpose, so as to analyze the data faster. For example, a set of data wants to study whether there are differences in satisfaction with shopping malls between different sexes. Maybe we can use variance, t-test, chi-square test and other methods, but which one to choose depends on the data type and structure. Before analysis, we need to choose the analysis method and simply process the data.

When it comes to "analytical methods", many people may be upset. They have prepared the data but don't know what method to choose, such as whether their data is classified or quantitative, whether it meets the requirements of analytical methods and so on. First of all, let's take a look at what classified data and quantitative data are, as follows:

Analysis method: