FABRIC WEIGHT ASTM D3776 Option -C (GSM)

I explain about this test :-- Procedure of Fabric weight test
1. Sample conditioning min. 4 hour
2. Cut 5 No. of specimen dia. 11.3 cm. ( must be no. of reading 5 )
3. Weight every specimen in gm
4. Then calculation every specimen multiply by 100
5. Finally reporting the average of 5 no. of reading

[@LuisFelipeFernandezaguil-qz2qm]

Why cut of five specimens