Gita got the following marks in her ten weekly mental maths tests.  $$7$$~ ~$$8$$~ ~$$10$$~ ~$$9$$~ ~$$8$$~ ~$$8$$~ ~$$10$$~ ~$$7$$~ ~$$8$$~ ~$$9$$  What is her mean (average) score? 
Overseas Competition->Knowledge Point->Word Problem Modules->Average Problems ->Using Formulas->Finding the Average Directly