Question

What do you need to look for in bivariate screening (for each categorical and quantative variables)?

Step 1

**Solution:**

Bivariate analysis helps to determine the relationship of two variables. The possible combinations of two variables are: Categorical vs categorical, Quantitative vs quantitative, and Quantitative vs categorical.

Step 2

**Most common thing that need to be look for in bivariate screening:**

- The nature of relationship between two variables. The two variables might be dependent or independent.
- Identification of type of variables:
*Categorical vs categorical:*chi-square test is used to determine the association between two variables.*Quantitative vs quantitative:*scatterplot is the useful graphical representation of the relationship between two variables.*Quantitative vs categorical:*bar graph and box plot is used to visualize the relation between two variables.

- Statistical significance and t...

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