to form a good hypothesis to increase the accuracy of the results to make the results more significant to better explain the investigation to others
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student performs a lab investigation by measuring the average time it takes for a toy car to travel 10 meters. Why is it best to perform the experiment in three trials?
Possibilities:
- to form a good hypothesis
- to increase the accuracy of the results
- to make the results more significant
- to better explain the investigation to others

to increase the accuracy of the results