Last updated at May 12, 2021 by Teachoo

Transcript

Example 5 A survey conducted on 20 households in a locality by a group of students resulted in the following frequency table for the number of family members in a household. Find the mode of this data. Mode = l + (๐๐ โ๐๐)/(๐๐๐ โ๐๐ โ๐๐) ร h Modal class = Interval with highest frequency = 3 โ 5 where l = lower limit of modal class h = class-interval f1 = frequency of the modal class f0 = frequency of the class before modal class f2 = frequency of the class after modal class Putting values in equation Mode = 3 + (๐ โ๐)/(๐(๐)โ๐ โ๐) ร 2 = 3 + 1/(16 โ9) ร 2 = 3 + 1/7 ร 2 = 3 + 2/7 = 3 + 0.286 = 3.286

Chapter 14 Class 10 Statistics (Term 2)

Serial order wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.