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 ...
A frequency diagram is a type of graph used to represent a continuous set of grouped data. First, identify the largest frequency. The largest frequency is 12. Therefore, the scale on the vertical axis ...