Deleting an answer from the survey report

The owner / creator of a survey can delete answers, like test replies through the reports.   

1. On the Surveys, go to Answers / Reports. 
2. Click Open as a table
3. You can find the delete button to the far right. 

If you are not the creator / owner of the survey, hover your mouse on the "shared" bubble next to the name of the survey, on the survey list page. You'll then find the owner of the survey who can delete the answers for you. 

See a short video here: