Organising Data using Tally marks Frequency Distribution Table)

Transcript

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 Now, let’s do the Gulab Jamun example from the book