Here are the test marks of \(7\) girls and \(5\) boys.
Girls: 13; 5; 8; 11; 6; 10; 4.
Boys:5; 8; 4; 12; 14.
a)Find the median mark of boys \(=\) .
b)Find the mean mark of all the students \(=\) .
(Note: If the answer is whole number mention as it is. If not then round off the answer and submit in single decimal).