The number of students absent in a class were recorded every day for 120 days and the information is given in the following frequency table: No. of students absent `(x)` : 0 1 2 3 4 5 6 7 No. of days `(f)` : 1 4 10 50 34 15 4 2 Find the mean number of students absent per day.

The number of students absent in a class were recorded every day for 120 days and the information is given in the following frequency table. Then mean number of students absent per day is {:("No. of student absent",0,1,2,3,4,5,6,7),("No. of days ",1,4,10,50,34,15,4,2):}

The number of students absent in a school was recorded every day for 147 days and the raw data was presented in the form of the following frequency table. No. of Student absent: 5 6 7 8 9 10 11 12 13 15 18 20 No. of days 1 5 11 14 16 13 10 70 4 1 1 1 Obtain the median and describe what information it conveys.

Find the day of average absence of each and every student from the following given table :

Following table shows the weight of 12 students: Weight (in kgs) 67 70 72 73 75 Number of Students: 4 3 2 2 1 Find the mean weight of the students.

Following table shows the weight of 12 students: Weight (in kgs) 67 70 72 73 75 Number of Students: 4 3 2 2 1 Find the mean weight of the students.

If 30 of the 36 students of a class were present on a certain day,what percentage of students were absent?

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.