At the very least, it would seem, we should think about what might happen if we repeated the set of measurements. Suppose this were your project and...

At the very least, it would seem, we should think about what might happen if we repeated the set of measurements. Suppose this were your project and you"did repeat the set and got a second average. By this time you are prepared, I trust, to find that there would be some difference between the, two averages. What should we do in such a case?