I have done this Excel

I have done this Excel data correction work case study, and I have attached the audit sheet pic so everyone can look at it and find out what things I have done for this specific case study,

1 Firstly, I corrected null values in the data.

2. I did deduplication of the data.

3. I standardized the data in the sheet.

4. I made the data consistent.

5. I removed inconsistencies from the data