The ages of 40 students of a group are given below : Find their mean

The marks (maximum marks 100) obtained by 20 students in a test are given below : Find the mean marks of the 20 students.

The heights (in cm) of students in a group are given below: What is the median height of students ?

The ages (in years) of 50 players of a school are given below Find the mean height

The weight (in kg) of students are given below : Find the median weight of a student.

The weight of students are given below Find the mode

The age (in years) of 10 boys are given below.Find their mean age: 12,14,15,10,6,8,5,18,13,19

The height (in cm) of 100 students of a school are tabulated below: Find the mean of the data.

The ages of 40 students are given in the following table: Age(in yrs) 12 13 14 15 16 17 18 Frequency 2 4 6 9 8 7 4 Find the arithmetic mean.