In an experiment, you are measuring a 20.0-gram ball using two different scales, and your data looks like this: Scale 1 16.5 16.7 17 16.6 Scale 2 20.2 19.8 18.9 20.1 a) Which scale is more accurate?...

Extracted text: In an experiment, you are measuring a 20.0-gram ball using two different scales, and your data looks like this: Scale 1 16.5 16.7 17 16.6 Scale 2 20.2 19.8 18.9 20.1 a) Which scale is more accurate? b) Find the standard deviation for each scale, state the relation between standard deviation and precision then determine which scale is more precise? c) Calculate the percent error if the scale gives you an output of 19.0 gram.