The percentage of marks obtained by students of a class in mathematics are: 64, 36, 47, 23, 0, 19, 81, 93, 72, 35, 3, 1. Find their mean.

The marks obtained by 12 students of a class in a test are 36, 27, 5, 19, 34, 23, 37, 23, 16, 23, 20, 38. Find mode.

What is the modal shoe-size? Since the sale of size 8 is maximum, so the modal shoe-size is 8. The marks obtained by 11 students of a class in a test are given below 23, 2, 15, 38, 21, 19, 23, 23, 26, 34, 23. Find the modal marks

The marks obtained by 15 students in an examination are given below : 40, 20, 24, 19,20, 35, 12, 48, 29, 40, 45, 48, 42, 23, 35. Find the average mark of the students.

Let the marks obtained by 30 students of a class in a test be 38, 26, 4, 32, 20, 22, 11, 47, 12, 23, 8, 2, 10, 8, 12, 17, 2, 19, 16, 42, 40, 13, 47, 38, 17, 27, 30, 6, 23, 18. Arrange the data in grouped frequency distribution, using groups 0-10, 10-20 e tc.

The marks of 15 students (out of 50) in an examination are 20, 22, 26, 31, 40, 19, 17, 19, 25, 29, 23, 17, 24, 21, 35 Find the median marks

The percentage of marks obtained in Mathematics by a student of class 9 th in monthly unit tests is given below,

The table shows the marks obtained by 25 students in a class test. Find the mean of the marks obtained