For the following frequency table, the number of persons whose weights are less than 60 kg is

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.

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

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)?

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: