This is true regardless of the distribution of the random variable X, provided of course that the theoretical means and covariances exist.
For instance, when we solve a mathematical problem by theoretical means, we check the result on a computer.
He does suggest a very intricate theoretical means by which this could have been calculated in practical terms, but presents no evidence from archeology or otherwise.
The theory of conjoint measurement provides a theoretical means of doing this.
In this, he describes the Alcubierre drive, a theoretical means of traveling faster than light that does not violate the physical principle that nothing can locally travel faster than light.
"We have devised a theoretical means of shielding a localized area from particle incursions in such an event," Data said.
A gravity train is a theoretical means of transportation intended to go between two points on the surface of a sphere, following a straight tunnel that goes directly from one point to the other through the interior of the sphere.
Contemporary terminology is stadial history, or in other words the discussion of stages of society by theoretical means (see sociocultural evolution).
One must find a contemporary viewpoint through theoretical means.
This state is highly transient and largely unpredictable by theoretical means.