- The frequency distribution table of weights (in kg) of 60 students of a class are:
Interval 45-49 50-54 55-59 60-64 65-69 70-74
Frequency 4 8 10 20 12 6
Cumulative Frequency 4 12 22 42 54 60
(a) Find the median of the data.
(b) Find the mode of the data.
- In case of data, Mode is-
(i) Measures of central tendency
(ii) Represented value which is mostly occured
(iii) May not unique in all respect
Which is correct on the basis of above information?
a) i and ii b) i and iii
c) ii and iii d) i, ii, and iii - The following are the marks obtained in Mathematics of fifty students of class IX
in a school :
(a) What is the type of the given information? What indicate frequency in a class
of distribution?
(b) Make frequency table taking appropiate class enterval.
(c) Determine the mean of the given number by shortcut method.
24.
(a) In the above figure, what is class midvalue?
(b) Express by data of information demonstrated in the figure (b).
(c) Find the median of frequency obtained from (b).