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Question
Two electronic balances are tested using a standard weight. The true mass of the standard is 5.0000 g. The results of 5 individual measurements on each balance are recorded below.Balance A Balance B
5.2895 g 5.0001 g
5.1077 g 4.9998 g
4.6407 g 4.9999 g
4.8947 g 5.0002 g
5.0672 g 4.9999 g
average mass = 5.0000 g 5.0000 g
Which statement best describes the results?
A. A: poor precision, good accuracy. B: good precision, good accuracy.
B. A: good precision, good accuracy. B: poor precision, good accuracy.
C. A: good precision, good accuracy. B: good precision, poor accuracy.
D. A: poor precision, good accuracy. B: good precision, poor accuracy.
E. A: good precision, poor accuracy. B: poor precision, good accuracy.
Answer
This answer is hidden. It contains 2 characters.
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