FREQUENCY TABLES

Organize the data in a table with simple frequency, relative frequency, cumulative frequency and relative cumulative frequency.
18 19 18 20 21 18 19 20
21 18 19 18 20 20 18 19
20 18 19 18 18 19 22 18
17 18 20 19 20 19 18 19
22 18 17 18 21 19 21 22
19 19 18 29 17 18 19 18