alicia conducted an experiment to find out which insulating material holds in the most heat. she did multiple trials of each test and recorded observations of each trial.

why did alicia most likely do more than one trial? check all that apply.
to increase the reliability of her data
to provide a better understanding of the concepts she investigated
to prevent other people from using the data incorrectly
to in arriving at a conclusion even with inaccurate data
to reduce the likelihood of errors in the experiment