Ashok got the following marks in different subjects in a unit test. 20, 11, 21, 25,23 and 14. What Is arithmetic mean of his marks?

Anusha got the following marks in different subjects in a unit test. 22,10, 22, 24, 25 and 13. What is arithmetic mean of her marks ?

A.M. of 20, 11, 21,25, 23, 14 is

Following are the marks obtained by 50 students in a unit test, which is administered for 10 marks. Find the mode of the data.

Marks of 12 students in a unit test are given as 4, 21, 13, 17, 5, 9, 10, 20, 19, 12, 20, 14, Assume a mean and calculate the arithmetic mean of the data. Assume another number as mean and calculate the arithmetic mean again. Do you get the same result? Comment.

25 students in a class got the following marks in an assignment- 5, 6, 7, 5, 4, 2, 2, 9, 10, 2, 4, 7, 4, 6, 9, 5, 5, 4, 3, 7, 9, 5, 2, 4, 5, 7. The assignment was for 10 marks. How many students got 8 marks?