4. Indicate the level of accuracy (low or high) and precision (low or high) for the four
balances below. The balances were used to weigh a 7.5 lb infant.
Balance
replicate
weight (lb)
measurements
average mass
level of accuracy
level of precision
Balance A
7.5
7.6
7.4
7.5
Balance B
8.1
8.0
8.2
8.1
10
Balance C
8.0
7.5
7.0
7.5
Balance D
9.0
8.44
7.9
8.4