Hey mate,
Fellow Aussies here, my name is Will Richards and I would be love to help with those 6 maths staticts questions, I am currently doing Maths Methods and Maths Specialist in VCE. I have had a look and I would be easily be able to help you.
PM me back and we can chat about this project if you need.
Award me this job and I will have it done within 6-7 hours for you.