There are 30 students, so we are looking for the group which contains the \((30 + 1) \div 2 = 15\frac{1}{2}th\) value, which lies halfway betwen the 15th and the 16th value. The cumulative frequency ...

Watch how to compute the median grouped data from the how to specialists. This advice video will give you informative instructions to make sure you get good at math.