Customer — credit department of the bank. Input data from bank - statistics on the solvency of customers for the previous period.

The purpose of the study is to check whether the fact of repaying the loan on time affects:

1. Marital status of the borrower.
2. Number of children of the borrower.
3. Income of the borrower.
4. Purpose of the loan.

The results of research will be taken into account when building a credit scoring model - a special system that assesses the ability of a potential borrower to repay a loan to a bank.

Research sequence:

1. Data review.
2. Data preprocessing.
3. Hypothesis testing.