Domain of Variable/Examples/Diameter of Sphere

Example of Domain of Variable

Let $d$ be the diameter of a sphere.

The domain of $d$ is the open interval $\openint 0 \to$.

$d$ is a continuous variable.

Sources

• 1972: Murray R. Spiegel and R.W. Boxer: Theory and Problems of Statistics (SI ed.) ... (previous) ... (next): Chapter $1$: Variables and Graphs: Solved Problems: Variables: $1.2 \ \text{(d)}$