Question

Data on the compressive strength of a concrete block after testing are as follows: 2.50 MPa, 2.55 MPa, 2.52 MPa, 2.51 MPa, and 2.56 MPa. Find the range.

Answer 1

The range is

$$r=(\sigma_\text{min}...\sigma_\text{max})=(2.50...2.56)\text{ MPa}.$$