Find the median and mode od the monthly incomes(in rupees) of the workers of an industry given in question number 19 in exercise-1.

Find the median and mode of the quantities of coke(in quintal) lifted in 100 days given in question number 18 in exercise-1.

Find the median and mode of the marks obtained by 30 students given in the question number 11 in exercise-1.

Find the median of the values of the variable given in the question number 10 in the exercise -1.

Find th median and mode of the diameters(in mm) of 80 pipes, the frequency distribution of which is given in question number 16 in exercise-1.

The frequency distribution of the monthly incomes (in rupees) of the workers of a small industry are given below. Find the average of their incomes .

Find the median and mode of the accidents occurred in 30 days, the frequency distribution of which is given in question number 15 in exercise-1.

Find the median and mode of the given marks, the frequency distribution is given in question no. 17 in exercise -1.

Find the average income (in rupees) of the workers from the following table :

Find the median and mode of the weights (in kg) of 100 students, the frequency distribution of which is given in question number 14 in exercise -1.

Find the median of the prices of salt per quintal in the market of Kolkata, given in the question number 11 in exercise-1.