CORRECT TEXT
Create the directory /data and group owner should be the sysadmin group.

Answer:

Explanation:
1. chgrp sysadmin /data
2. Verify using ls -ld /data command. You should get like
drwxr-x— 2 root sysadmin 4096 Mar 16 17:59 /data
chgrp command is used to change the group ownership of particular files or directory.
Another way you can use the chown command.
chown root:sysadmin /data