ok how do we answer this question next then: Evaluation: There are potential systematic errors in every experiment. These are errors, which determine the accuracy of your result, and cannot be reduced by repeating your measurements. Random errors, on the other hand, determine the precision of the experiment. You should discuss how they affect your result and assess whether they are a result of experimental technique or a function of the equipment. "Human error" is not an acceptable reason: if you made a mistake you should correct it. What errors have contributed to your experimental result