how we can create a reports that show the average score for any survey and based on that survey we can say that it is a DSAT or CSAT

[Ashish83]

hii i want to create a report that can calculate the avarage score for any survey

and based on that score we can say that this is a DSAT or CSAT

and i want this report in one report and having two graphs

one for DSAT and one for CSAT

[Fathima1]