On a given day, 50 students in a certain class took a math test. Some of the students w took the test on test paper A, and the remaining of the 50 students took the test on test paper B. What is the average score on the test for the 50 students?
(1) The average score for the students who take the test A was 75.
(2) The average score for the students who take the test B was 77.
I think it's E coz we don't have the number of students taking each paper test.