What kind of research in physics will be acceptable

I want to enrol on a PhDs in statistics I have a degree in business 10 years ago

I absolutely love maths and physics and these are the areas I want to research

Can anyone advise me

I want to enrol on a phd.

I have a degree in business from some 10 years ago.

Can anyone suggest a way in since I only got a 2:2 and want to do further study.

I am interested in a social science topic.