Find the first and third quartiles.

Find the first and thirsd quartiles from the following distribuatin :

Find out first and third quartiles from the following distribution :

Find out first and third quartiles from the following items: 9,15,12,21,8,17,20

Find first and third quartiles from the following distributin.

Calculate first and third quartiles from the following frequency distribution.

If the quartile deviation of a set of observations is 10 and the third quartile is 35, then the first quartile is

The following table shows monthly wages of 10 workers: Calculate first third quartiles and quartile deviation.

If the first and third term is 2 and 8 respectively. Find its second term.