
Last updated at May 12, 2021 by Teachoo
Example 1 The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table below. Find the mean of the marks obtained by the students. Mean(π₯ Μ ) = (ββππππ)/(ββππ) π₯ Μ = 1779/30 π₯ Μ = 59.3 β΄ Mean marks is 59.3