Concept of Median for group data A Mathematics teacher of grade 9 took a surprise test (out of 100). The result of test of 50 students is given below: 13, 26, 33, 18, 27, 2, 33, 22, 12, 24, 35, 99, 56, 31, 63, 89, 86 30, 14, 22, 16, 16, 11, 8, 11, 30, 22, 69, 73, 88, 3…