The cumulative frequency table is useful in determining the

The mode of a frequency distribution is obtained graphically from

The median of a frequency distribution is found graphically with the help of

The abscissa of the point of intersection of the Less Than Type and of the More Than Type cumulative frequency curves of a grouped data gives its

If x_i's are the midpoints of the class intervals of a grouped data, f_i's are the corresponding frequencies and 7 is the mean then