If the men of a distribution is 8.73 and its median is 11, then the mode of the distribution is ___________ (using empirical relation). 

The following dataset represents the number of books read by 25 students in a month:
2 , 4 , 4 , 5 , 5 , 5 , 6 , 7 , 7 , 7 , 7 , 8 , 8 , 9 , 9 , 10 , 10 , 11 , 11 , 12 , 13 , 13 , 13 , 15 , 16.
Calculate the mode of the dataset.

The following is the distribution of ages (in years) of children in a group:

What is the median age (in years) of children ?

If mean of the following distribution is 211, then what is the value of (4p – 3q)?

If x and y are upper limit of median class and lower limit of modal class, respectively in the following distribution, then what is the value of (2x + y)?

If the mode of the following distribution is $$6\frac{1}{6}$$​, then what is the value of k?

The median of the observations 6, 48, 32, 3, 37 and 18 is:

A student scores the following marks in 5 subjects: 60, 75, 80, 90, 95. What is the standard deviation?

The marks scored by 10 students are given below. 13, 20, 15, 13, 19, 12, 12, 11, 13, 10 The mode of the given data is: