The singers in Saura’s choir have heights
148 \mathrm{~cm}, 141 \mathrm{~cm}, 172.5 \mathrm{~cm}, 168 \mathrm{~cm}, 151.5 \mathrm{~cm}, 183.5 \mathrm{~cm} \text {, and } 178.5 \mathrm{~cm}
What is the range of their heights?
Answer Choices
A. 42.5 \mathrm{~cm}
B. 27 \mathrm{~cm}
C. 52.5 \mathrm{~cm}
D. 37.5 \mathrm{~cm}
E. 31.5 \mathrm{~cm}