Question

Suppose the expected value of a measurement is 4 cm.
Which set of measurements is the MOST precise?
A. 2 cm, 2 cm, 4 cm, 6 cm
B. 3.0 cm, 2.9 cm, 3.1 cm, 3.1 cm
C. 3.5 cm, 4.0 cm, 4.5 cm, 5.0 cm
D. 6 cm, 8 cm, 5 cm, 9 cm

Answer 1

C because it has small gaps and covers 4 cm