Question

find the class boundaries, midpoint, and width for the class 12.4-15.2

Answer 1

Lower Boundary: 12.4-0.05=12.35.

Upper Boundary: 15.2+0.05=15.25.

Midpoint: $\frac{12.4+15.2}{2}=13.8.$

Width: $15.25-12.35=2.9$