Table 10:
Standard deviation and coefficient of variation of cubes and cylinders compressive strength
7 days S
d
7 days C
V
28 days S
d
28 days C
V
5.631
0.230
4.636
0.140
5.556
0.262
4.992
0.156
5.850
0.290
5.075
0.169
7.007
0.374
4.672
0.169
7.118
0.428
5.765
0.219