Help me solve this question in the picture. The variable and data set can refer through this link below:

https://docs.google.com/spreadsheets/d/1Iing5fQtaoaB76RObhVryPDyJ6rz0SfA/edit?usp=sharing&ouid=108696979785650536261&rtpof=true&sd=true

If you can edit the value there, just edit there so it can more easy.

5. Based on the variables selected, please remove the elements with any missing values of the selected variables