Given the following data, estimate the coefficient of QD:
15,20,23,23,25,25,27,40

Find the median of 21, 22, 23, 24, 25, 26, 27 and 28.

Calculate the median of the following items : 15,23,20,20,23,35,26,27,25,40

Determine the mode of the following values of a variable. 23,15,25,40,27,25,22,25,20

Find the median of the data 30,25,32,23,42,36,40,33,21,43.

Find the value of x , if the mode of the following data is 25: 15,20,25,18,14,15,25,15,18,16,20,25,20, x ,18

Find the value of A, if the mode of the following data is 20: 15, 20, 25, 18, 13, 15, 25, 15, 18, 17, 20, 25, 20, lambda ,18.

Draw a histogram of the following data: Class interval: 10-15, 15-20, 20-25, 25-30, 30-35, 35-40, Frequency: 30, 98, 80, 58, 29, 50,

Find the range of the following set of scores 25,15,40,27,25,23 and 42.

Answer the following : Calculate coefficient of variation the following data: 23, 27, 25, 28, 21, 14, 16, 12, 18, 16

Find the median of the given data : 25, 34, 31, 23, 22, 26, 35, 28, 20, 32