Question

Data on the compressive strength of a concrete block after testing are as follows: 2.54 MPa, 2.59 MPa, 2.50 MPa, 2.56 MPa, and 2.52

MPa. Find:

e. 1

the average compressive strength

Answer 1

$\sigma_{avr}=\frac{2.54+2.59+2.50+2.56+2.52}{5}=2.54(MPa)$