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  1. Chapter 9 Class 6 Data Handling
  2. Concept wise
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Organising Data using Tally marks (Frequency Distribution Table) Suppose Marks of 20 students in Maths Test 11, 4, 27, 18, 18, 3, 24, 22, 11, 22, 18, 11, 18, 7, 29, 18, 11, 6, 29, 11 We want to find number of students who scored 29? or 11? We write the numbers in a table Marks of 20 students in Maths Test 11, 4, 27, 18, 18, 3, 24, 22, 11, 22, 18, 11, 18, 7, 29, 18, 11, 6, 29, 11 So, Number of students who scored 29 = 2 Number of students who scored 11 = 5 We follow these steps Writing all marks in 1 column Writing 1 number as Writing 5 as Let’s take another example Let, following be the data of ages of 30 people in your locality 5, 65, 62, 48, 5, 23, 17, 40, 30, 30, 30, 51, 5, 17, 17, 39, 23, 48, 40, 65, 65, 62, 5, 5, 17, 62, 51, 23, 48, 40 Now organising the data using Tally marks

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.