Question

what is a tally mark

Answer 1

tally mark are quick way of keeping track of numbers in groups of 5.one vertical line is made of 4,the 5 line number is represented by a diagonal line across previous line

Answer 2

Tally mark :

(i) When the number of observations is large, we make use of tally marks to find the frequencies

(ii) Tallies are usually marked in a group of five for use of counting .