Which of the following is a measure of central tendency?
frequency
class interval
mean
Class
Mean, median and mode are the measure of central tendencies
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
Under Exclusive method,
(a) the upper class limit of a class is excluded in the class interval
(b) the upper class limit of a class is included in the class interval
(c) the lower class limit of a class is excluded in the class interval
(d) the lower class limit of a class is included in the class interval
The class mark for a class interval while calculating the mean is its upper limit.
The mean of the following distribution is 52 & the frequency of class interval is Find