10.
Damian tests the number of identical paper clips a small magnet can pick up. He
tests the magnet three times and records his results. He then repeats the process for
two other magnets, which are different sizes. His results are shown in the table
below.
Average Number of
Magnet size Trial 1 Trial 2 Trial 3 Paper Clips Picked
Up
4
14
30
Small
Medium
Large
DATA TABLE
4
15
31
3
13
29
5
14
30
Which of the following best explains the importance of performing three trials?
A. Three trials will allow him to obtain more data points.
B. Three trials will enable him to draw valid conclusions.
C. Three trials will prove whether a magnet's strength can change.