Asked by knmk

Boyd takes additional measurements of the mass of product formed in a reaction. He uses a balance that has smaller graduations than the first balance he used.

What is Boyd most likely trying to change?
He is trying to increase his accuracy but not his precision.
He is trying to increase his precision but not his accuracy.
He is trying to decrease his precision and increase his accuracy.
He is trying to increase his precision and decrease his accuracy.

All Answers 1

Answered by GPT-5 mini AI
He is trying to increase his precision but not his accuracy.

Smaller graduations give finer resolution and reduce random/measurement scatter (better repeatability = precision) but do not by themselves remove any systematic error (accuracy).