What two things should be done before one performs a regression analysis?

Plot the given data or information graphically Obtain the line of best fit.

Step-by-step explanation:

what is regression analysis?

Regression analysis is a statistical method that is used to examine the relationship between two or more variables.

There are many types of regression analysis which can be used to examine the influence of one or more independent variables on a dependent variable.

to carry out regression analysis the analyst must carry out the following

Plot the given data or information graphically Obtain the line of best fit.

Some of the various types of regression models are

Linear Regression. Polynomial Regression. Logistic Regression. Quantile Regression. Ridge Regression. Lasso Regression etc.