try a different juice analyze the recorded data ask a scientist what went wrong repeat the investigation two more times
A class tested the amount of vitamin C in fresh orange juice and calculated a different amount than the previous class that conducted the same investigation. What should most likely be done to make sure that their results are accurate?

Options:
- try a different juice
- analyze the recorded data
- ask a scientist what went wrong
- repeat the investigation two more times

repeat the investigation two more times