Cumulative frequency is the ________ of all the frequencies of classes up to that interval.
The Cumulative Frequency of a class-interval is the sum of frequencies of that class and the classes which ________________ it.
The ___ of a class interval is the sum of frequencies of all the classes up to this class interval.
If the cumulative frequency at a particular class interval 30 -35 is 19 and the cumulative frequency at the next class -interval i.e 35-40 is 27 , the frequency at 35-40 is __________
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