Check sibling questions

Ex 14.4, 3 - If median of data is 63, find value of x - Ex 14.4

Ex 14.4, 3 - Chapter 14 Class 9 Statistics - Part 2

This video is only available for Teachoo black users

Solve all your doubts with Teachoo Black (new monthly pack available now!)


Transcript

Ex 14.4, 3 The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95 Number of observations = n = 10(even number) Median = ( /2)"th obs. + " ( /2+1)"th obs. " /2 63 = (10/2)"th obs. + " (10/2 + 1)"th obs. " /2 63 = (5^ . + 6^ .)/2 63 = ( + ( + 2))/2 63 2 = 2x + 2 126 = 2x + 2 126 2 = 2x 124 = 2x 2x = 124 x = 124/2 x = 62

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.