Chapter Questions
Read the measurements on the rulers in Fig. $2.9$, and comment on the results.
Were the measurements of the block in part (b) of Procedure 2 all done with the same instrument? Explain.
Referring to the dart analogy in Fig. 2.3, draw a dart grouping that would represent poor precision but good accuracy with an average value.
Do percent error and percent difference give indications of accuracy or precision? Discuss each.
Suppose you were the first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?