Question

How can a scientist ensure that his or her data are reliable? by making a single observation

Answer 1

Hi!

We make sure data is reliable by repeating it over and over and over and over and over again! 

Repetition and replication are key, as the most constant consistent results we get - the more reliable the data is!

Hopefully, this helps! =)

Answer 2

Having accurate  Specific date can give scientist what they need for more reliabliltiy.