Answer to Question #240547 in Physics for paul warren ilagan

Question

The standard mass of an unknown substance is 15.6g. Which of the following set has the least accurate value? show your solutions.

trial A B C

1 15.6 15.8 15.6

2 15.4 14.6 15.5

3 15.6 14.7 15.8

a. A b. B c. C d. D

Answer 1

$(15.6+15.8+15.6)/3=15.67\ (g)$

$(15.4+14.6+15.5)/3=15.17\ (g)$ $\sqrt{}$

$(15.6+14.7+15.8)/3=15.37\ (g)$

The second set has the least accurate.