Find the mode of the following marks (out of 10) obtained by 20 students:

4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9.

Consider a small unit of a factory where there are 5 employees : a supervisor and four laboures. The laboures draw a salary of र 5,000 per month each while the supervisor gets र 15,000 per month. Calculate the mean, median and mode of the salaries of this unit of the factory:

5000, 5000, 5000, 5000, 15000.

Find the mode of the following marks (out of 10) obtained by 20 students:.

10, 4, 6, 5, 9
3, 2, 10, 7, 6
5, 4, 9, 10, 10
3, 4, 10, 6, 9

Find the median of the following observations:

46, 64, 87, 41, 58
77, 35, 90, 55, 92, 33

 Find the arithmetic mean of the following data:

Find the mean of the following distribution: