The measurements taken by Jay, Tia are least likely to random errors.
When carrying out an experiment such as measuring the concentration of a solution, and also using a device such as the colorimeter it is necessary to carry out the experiment at least three times and take an average value.
Any measuring device is prone to any type of error like:
Just to mention a few, so it is advised that when carrying out this type of experiment, the experiment is repeated a number of times
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