In the context of your question, it appears you are referring to a specific entry in a matrix format. The notation T4,3 refers to the entry in the 4th row and 3rd column.
From the provided scores:
- The 4th row corresponds to Sonya.
- The 3rd column corresponds to Test 3.
Looking at the table:
- Sonya's score in Test 3 is 92.
Therefore, the value of T4,3 is 92.