Module 1 – section 1 |

To tally
(count) data we use frequency tables.A frequency table contains three columns:Column 1 : What dataColumn 2 : Tally marks: you put a vertical line for every count
and every time you have four marks you slash the fifth. In this way you
have groups of 5 and it is easier to count.Column 3: Frequency: count up all the tally marks and put the
number of data. This is the frequency.Example: |