It depends upon the demand of the situation whether we are interested in finding the average marks obtained by the students or the marks obtained by most of the students
What do we find in the second situation?

It depends upon the demand of the situation whether we are interested in finding the average marks obtained by the students or the marks obtained by most of the students What do we find in the first situation?

Calculate the mean of obtained marks of 64 students from the given data.

The marks obtained by 30 students in a examination of a class are given below . Find their average.

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

There are 25 boy students and 20 girls students in a school. The average of marks in math of 25 boy students is 52 and the average of marks in math of 20 girl-students is 48. Find the average of marks obtained by the students of the school as a whole.

Find the mean of obtained marks of the students from the following cumulative frequency of obtained marks.

The marks obtained by 41 students in an examination in Math are given below: Find the average of the marks obtained by them.

The marks obtained in mathematics by 30 students of Class X of a certain scholl are given in table the below. Find the mean of the marks obtained by the students.

The step frequency distribution table of the marks obtained by female students is given below. Calculate the mean marks.

The arithmetic mean of the marks obtained in 8 different subjects in a school are given below. Find the average of the sum of the marks of 8 subjects.