[majewsky]

> Within a margin of error, [the value of a measure is] zero.

Nitpick: Zero does not have a magnitude, so "a margin of error" is not remotely well-defined here.

[aidenn0]

Nitpick nitpick: margin of error can be either absolute or relative.

[arghwhat]

Nitpick nitpick nitpick: "margin of error" without any value effectively means "the following value has no meaning at all", as the margin of error is unspecified.