Cumulative frequency is the progressive sum of frequencies from either first class or last class to particular class.
Explain the meaning of each of the following terms. (i) Variate (ii) Class interval (iii) Class size (iv) Class mark (v) Class limint (vi) True class limits (vii) Frequency of a class (viii) Cumulative frequency of a class
The Cumulative Frequency of a class-interval is the sum of frequencies of that class and the classes which ________________ it.