French phrase
La marge d'erreur est de ~.
Meaning
The margin of error is ___.
When to use it
States the possible variation in a measurement or prediction. It helps indicate the certainty of a conclusion.
Example dialogue
Les chiffres sont-ils assez précis ?
Are the numbers accurate enough?
La marge d'erreur est de 3 points.
The margin of error is 3 points.